300 Win Mag and. I have two 7X57's, a 7mm Rem Mag, 7mm STW and a 28 Nosler. 308 Long Action—. Army has seen the benefits of the hard-hitting. It's recoil is much more managable than any of the larger magnums and it is a very flat shooting cartridge. 001 less group. 300 Winchester Magnum (. 300 win mag? « Reply #10 on: November 09, 2009, 02:34:54 PM » only really slow powders will result in a compressed powder charge,what I was speaking about was oal in the 300 mag with larger pills that require seating depths over 60 thosandths off the rifling to allow bolt to be closed will affect. 30-378 Wby Mag. 300 Win Mag bullet has an effective range of about 318 yards before needing hold-over to compensate for bullet drop. It was an old military Mauser converted from 9. I realize that is a little bit lighter than a sporter weight 700 SPS in 7MM Mag which weighs 7 5/8 pounds (7 pounds-10 ounces) according to Remington. 62x51mm NATO. Why? I dunno,,,just would like to have one. So, it begs to question whether or not the new. I already have a 7mm Rem Mag and a 300 Win Mag so I would want to step up a tad from those two. 99 MPN : 035390229 UPC : 023614441007. This will accomodate bullet weight/length up to 175 grains. 300 bullet in a non-magnum case. Choose the 7mm Remington Mag Rifle Brass that's right for YOU. 5 Creedmoor is like a 300 Win Mag without the recoil. I already had a 7 RUM and 7WSM and burnt those barrels out. Mags at this time. Mag, and so on. Browning A-Bolt VS Weatherby Vanguard/Howa 1500 it would be my Vanguard in. I want to knowwhich round,300 win mag or the 7mm Rem mag, isbetter for deer and elk,or possibly even moose or carribou (I originally was looking for a grizzley round, but lets be honest,I'm probably never going to huntgrizzley. 300 Win Mag. It’s a good 175 fps faster than typical 139-grain loads in the 7mm. MatchKing to win the prestigious 1000 yard Wimbledon match at Camp Perry. Thinking the recoil would be more than I wanted. Maybe we can clear some confusion if we take a hard look at the old 300 Winchester Magnum and the newer 300 Winchester Short Magnum to gain a clearer. To get the most from this magnum cartridge, you need to know 300 Win Mag ballistics. Best Answer: Hello Jack! I think the Remington Model 700 SPS is the right way to go, but not just any SPS. Note belt at base of cartridge case. The belt is cosmetics only. Twist rates must correspond to the calibers listed. 62×72mm or. Swap barrels meaning if, say I bought a used Remington 700 300 wm and wanted to convert it to a 7mm-300. Ultra Mag, 7 SAUM and 7 WSM. 308 is a discussion touching on two rifle cartridges that are both great performers in their own respects. I already had a 7 RUM and 7WSM and burnt those barrels out. 7mm-08 reviews7mm Rem 7mm 08 or 270 win Mag,. After I've burned my barrel out, I'll be switching over to. Well, it's pretty straight forward in the title. US Cartridge offers an unbeatable value to the American firearms community with their affordably priced remanufactured ammunition. I want a featherweight stock so I figured the 06 chambering would make a good. Compare all 7mm Remington Magnum ammunition manufacturers on one easy to read chart. My bet is that, unless you're really good, or a bench rest competitor, you won't ever notice slight barrel wear that would reduce your groups a few tenths, or one-hunredths, of an inch. I called browning and was told it was due to demand for long range and stabilizing larger bullets. Shooting 190 gr Sierra Match Kings at 3026 FPS using Reloader 22. grain soft nose. 284 Win and 6. All with the same results, INCREDIBLE!!! A 7mm, a 300 Win. 7mm Rem Mag- Remington 700 Long Range (26" factory barrel) Winchester brass Fed mag primer [email protected] 69. 7mm Rem SA Ultra Mag. 110 Storm Bolt 7mm Remington Magnum. , 28 Nosler, 7mm Rem. 7mm-08 reviews7mm Rem 7mm 08 or 270 win Mag,. 2)) Load both of them with exact same bullet grain weight(150, 165, or 180 grain, etc. —which has been with us since 1963—has as a firm hold on the market, and in all sincerity it handles a good number of situations very. Mag, the other, a. In order to obtain that performance from a. Outdoor Life may receive financial compensation for products purchased. It will be used for hunting (so probley not a timber stock) and challenging myself at the range to see what distances i can reach. An enhanced grip design provides a palm swell and two front sling swivel studs. I load for 7mm rem mag, 300 win mag and the brass is a pain to deal with. Ammunition that ships immediately at Sportsman's Guide for great selection and value! Use our Ballistics Chart to find the firing specifics on your 7mm Remington Magnum Ammo. 8 Rem SPC 270 Winchester 270 WSM 270 Weatherby 7mm-30 RG 7mm-08 Remington 7x57mm Mauser - Mode 7x57 Mauser 280 Remington 7mm Remington Mag 7mm WSM 7mm Rem Ultra Mag 30 Carbine 30-30 WCF 7. A popular long range load for the 300 Win Mag near this range is the 190 grain Berger VLD. 7mm Rem Mag vs. Use the chart below to select the caliber & twist rate for your Shaw custom rifle barrel. Remington Model 700 300 Win Mag Bolt-Action Rifle 24" Barrel with Bushnell Scope America's favorite bolt-action rifle, the model 700 is in a synthetic stock. You can go to 7mm Remington Magnum, 338 Winchester Magnum or something that has the same rim diameter (standard magnum is. 300 Win mag than the little. and 2 different 338 Lapuas all by QMM. I would appreciate views on the 7mm-08 useful (sub MOA) barrel. 300 Win Mag? With an optic zeroed at 270 yards, a factory 150gr. I am considering having it chamberd to the. The 300 blackout vs. I know the 300 Win Mag will fit the bill for all of those things. Find a moose, or whitetail that is impervious to a 160-175gr bullet from a 7mm Rem Mag? They don't exist with good shooting. 308 Long Action—. To get the most from this magnum cartridge, you need to know 300 Win Mag ballistics. This firearm is chambered in 300 win-mag. and 300 Win. 270 WSM comes in a mixed bag of 22", 23", and 24" barrels. You can go to 7mm Remington Magnum, 338 Winchester Magnum or something that has the same rim diameter (standard magnum is. Reloading Dies. The 7mm Remington Magnum shoots almost as flat as the. 1)) Load each of them with the very 'maximum' amount of powder each case will safely hold, and also with exact same type of powder. The 308 is much shorter and hold much less powder. Does the 7mm Rem. 300 Winchester Magnum and 7mm Remington Magnum cartridges in the photo below. 300 Winchester Magnum, or. If your a reloader, an option that will buy longer brass life is a non-belted 7mm short mag. Depending on barrel twist a bullet weight of 180gr is available but works for deer with as lite as 120gr. Near realtime tracking of who has ammo, mags and reloading supplies in stock. Order a custom 26" Hart barrel then add something like a Jewel trigger and Mcmillian stockOr just order a new blueprinted action would be best butas always money is an issue. Then hand lapped to ensure consistency and ease of cleaning. Conclusion. Choose the lowest price from our multiple warehouses. 270 Winchester,. The difference in recoil between the 7mm mag with a 175 grain bullet and the 300 Win mag with a 180 grain bullet is about 6 pounds of recoil but it can very well be the straw the broke the camels back! Most hunters shoot the 7mm mag with 140 or 160 grain bullets and that brings the recoil down to about 22 pounds of recoil. He did also say that the Rem Mag was especially hard on cases, but if you loaded them to 80-90% of the published min/max range (as I do), then he would still expect 10 loadings per case. I would opt for the 270, 280, 7mm Rem Mag, or 7mm Wea Mag if a long action was in play. mag is a spectacular. shots ranging from 10 yards to 300 yards from woodland settings to open fields and clear cuts. Now if the 7 mag kick's anything like my. Presently, Christensen Arms is offering the Mesa Long Range in five caliber choices (6. 5mm-284 260 Remington 270 Winchester 280 Remington 280 Ackley Imp 7mm Rem Mag 308 Winchester 30-06 Springfield 300 H&H Mag 300 Rem SAUM 300 Winchester Mag 300 Rem Ultra Mag. The 7mm Remington Ultra Magnum was designed in 2002 by Remington Arms Company. Rifles For Sale Remington 783 7mm Rem Magnum Rifle w/Scope Layaway Remington Model 700 ADL 7mm Mag 24 inch barrel - 7mm Rem. Buy Online with safety transaction. 300 Win mag or 7mm Rem. The Mag has very little recoil just like the. and 7mm Rem. 7mm Rem Short Action Ultra Mag (2003 - Present) 7mm Rem Ultra Mag (2000) 30-06 Sprg (1962 - Present) 300 Savage (1991 - 1993, 2003 Classic) 308 Win (1962 - Present, 2005 Classic) 300 WSM (2005) 300 Win Mag (1965 - Present, 1995 Classic) 300 Wby Mag (1989 Classic, 1990 - 2000 standard offering, 2002 - Present Custom Shop only) 300 H. This may seem like an odd comparison, but I cannot count the number of times I have been in a gun store listening to either the "gun guru" behind the counter, or the "expert sniper" on the other side talking about how the 6. 110 Storm Bolt 7mm Remington Magnum. 5 REM Mag cartridge function in a magazine intended for a. Manufactured with the traditional Nosler philosophy of uncompromising attention to detail, Nosler cartridge brass is created to exact dimensional standards and tolerances, using quality materials for maximum accuracy and consistency potential while extending case life. Saw a bull a little farther away than that, heading straight uphill. 5 Creedmoor vs. They do perform better with a 26+ barrel than a 24". No other production semi-automatic rifle can make this statement without a stretch. The 7mm Rem Mag will give you about 1200 rounds. The big news for 2016 is that Ruger now offers the American Rifle in a Magnum model, chambered in 7mm Rem Mag and. and web store for each and every occasion. , and Guy Geisler (right) is shown with a 22-inch-barreled Alpha 66. Some shooters are confused about Winchester's 300 magnums. With the addition of the high bc berger bullets, I would go with a 270 wsm. 30-378 Wby Mag. patronize now for the ending sort of 7mm Rem Mag Vs 300 Win Mag Barrel Life with shop nearby your home. Does the 7mm Rem. - Duration: 11:39. You can achieve this item with discreet price from online shopping web site. Barrel Life: A 308 barrel can be expected to last for 2-3 times the number of shots fired compared with a 300 Win Mag. Browning A-Bolt VS Weatherby Vanguard/Howa 1500 it would be my Vanguard in. 300 Win Mag. 72 mile Extreme Long Range Shot (7mm Rem Mag) using the New Valdada G2 scope. 264 Winchester Magnum but launches a larger diameter, heavier bullet generating more energy than the. Caliber Comparison: 300 Win Mag vs 308 Win Mag A lot of people have asked which would be a better option between the 300 Win Mag and the 308 Win Mag. Precision hand laid synthetic stock with a full length bedding block. If you see yourself shooting a grizzly, or find a need to do hard target interdiction, then go 300 WM. Manufactured with the traditional Nosler philosophy of uncompromising attention to detail, Nosler cartridge brass is created to exact dimensional standards and tolerances, using quality materials for maximum accuracy and consistency potential while extending case life. 5 Rem mag is basically Remington's version of a WSM. With all the guns that are talked about for long range shooting why is the 300 win mag not mentioned. 300 RUM achieves significant increases in velocity over other. It requires a special. 300 Winchester Mangum has more ammunition available—as it leads a dual life, in both the hunting world and long-range target world—but every major ammunition manufacturer offers a selection of 7mm Remington Magnum ammo. 300 Win Mag would both be good choices. The barrel is a full 22 inches, like it always should have been, but the foolish design with the huge. Barrel life will be better on the win mag so what do you guy think? Edit. Even if you don’t intend to take the ammo afield, the ELD-X line offers very formidable long-range target options. 5 Creedmoor. Bryce of LRSU shooting 4 shot groups at 100 yards with his Custom 7mm-300 Win Mag for the first time with the Templar Tactical Archangel 30 cal Suppressor. You should go read it and all of their other articles as they are always top notch. While i know both those will do well for North American big game. mostly come in rifles with 24" barrels and the. When reading up on the same choice one comment I thought was pretty valid. 5 Barrel life (waaay more powder and pressure burning the throat). All with the same results, INCREDIBLE!!! A 7mm, a 300 Win. For all around general purpose, the 7mm Rem Mag would be my pick. Most complete 7mm precision shooting page. The Model 700 ® is a legend in every way. , 7mm Remington Ultra Magnum, 7mm Allen Magnum and 338 Lapua Magnum case which is used as the parent case for the 7mm Allen Magnum. 7mm rem mag: Post Reply they both used a 24" barrel and the. We handload and I love the math of the 7mm. 7 inches high at 100 yards for a 300-yard zero, and at 400 yards the bullet has dropped less than eight inches. 300 Win Mag 26 7 lbs 4 oz $549. 30-06 Springfield into a comparably sized package. 7mm Rem Mag vs 300 Win Mag? This is a discussion on 7mm Rem Mag vs 300 Win Mag? within the Rifles, SKS, AR, AK, Long Guns forums, part of the HandGuns, Pistols and Revolvers, Long Rifles, Shotguns, SKS, AK, AR category; A buddy asked me tonight what I thought he should get for a long range precision rifle that could be hunted with and also engage. is i worth my time to get a 7mm wsm, i am looking at getting a browning X-bolt for hunting elk in either 7mm rem mag or 7mm wsm, the rem mag has 26 inch barrel and the wsm has 23 inch barrel would that make any difference, and i noticed that there is not as many factory loads for the wsm, but i have found a few that i know will work, and i plan on learning how to reload. 300 Win Mag 24″ 1×12 338 Win Mag 24″ 1×10. 62×51), this time with a rifle chambered in 7mm Remington Magnum: Test Protocol. For the 7mm Rem Mag vs. We’ve had the pleasure of using both. 7 inches high at 100 yards for a 300-yard zero, and at 400 yards the bullet has dropped less than eight inches. I guess it would depend on what you are going to use it for. Please DO NOT contact the Range with questions concerning LAX Ammo, instead please email us with questions at [email protected] 30-06 is about 3,000 rounds and a. Sometimes written as Rem/age. 7mm Rem SA Ultra Mag. Explore the rifles and use filtering options to find the right match for your hunting purposes. I have never been impressed with the 7mm Mag. 7mm Rem Mag. 300 Winchester Magnum (. The Mag has very little recoil just like the. and especialy referring to the game you mentioned. This new wildcat, which became known as the. 264 Winchester Magnum and remain popular up until today. 300 RUM, which stands for Remington Ultra Magnum, was first introduced by Remington Arms in 1999. The 7mm Rem mag is a neat cartridge - more comparable to the. ), each with an optimized barrel length and twist rate for long-distance work. The arrival of the 7mm Remington Magnum in 1962 conveniently coincided with Remington's new and improved Model 700 series - a design which has stood the test of time, and to this day remains one of the most popular and versatile actions around. I thought the 300 Win Mag was to big for North Carolina. 300 Rem Ultra Mag. 300 Ultra Mag, 7. 300 Remington Ultra Magnum is one of the largest commercially available. some brass is better and some chambers are better. Outdoorsman The Outdoorsman is designed for hunting where distances are large and winds blow hard. Find a moose, or whitetail that is impervious to a 160-175gr bullet from a 7mm Rem Mag? They don't exist with good shooting. ) an example is both of them with a 150 grain bullet, and also same bullet type. The 300 Norma has its down sides. Bolt face diameter and calibers - for easy barrel swaps Thread in 'Gun 7mm Remington Mag 7mm Weatherby Mag 7 STW 7mm Remington Ultra Mag 300 H & H 300 Winchester Mag. 280 AI produced less recoil and muzzle blast and offered space for an additional round in the magazine. I think in the long run you would be happier using your current rifle and building off of it. Here is a ballistic chart based off some info I grabbed off the internet. 300 Win Mag bullet has an effective range of about 318 yards before needing hold-over to compensate for bullet drop. Both are relatively easy to handload for those who head down that road, running on a good slow-burning powder and a. That's the year Winchester brought to market its now famous. It was an old military Mauser converted from 9. 30-06, we have compiled the BCs for all ten of the rounds we have been and will continue to use for comparison throughout the article (Graph 4). 300 win mag? I've been looking at a sako a7, browning xbolt composite ss. We had a day with perfect conditions, sunshine and no wind. 300 WSM has a 23" barrel. The second variation is a Remage barrel. I already have a donor rifle and have already decided on what stock I'm going to use. Add to these the recent ELR match results held at out to 2000 yards out west, and the 300WM held its own just fine vs the 300 Norma. Bench Rest Rifle 7MM Rem Mag or 300 Win Mag?. 300 WM FAB Model D, No 64. 308 is a discussion touching on two rifle cartridges that are both great performers in their own respects. I would opt for the 270 WSM, 7mm SAUM, or 7mm WSM over the 7mm-08 and 284 if I was limited to a short action and higher velocity than the 7mm-08 is safely capable of was a requirement. 300 Weatherby Magnum, which traces back to the. 308 is better suited for larger game,and has felt recoil. Best caliber for really long range,. Remington Model 700 bolt action rifles in 7mm Rem. 280 Remington retains the gradual taper and gentle shoulder of the. Looks like, for the 7mm Remington Magnum and 300 Winchester Magnum, barrel life ranges from, on average, 1500-3000 rounds, based upon what these articles present. 300 Ultra Mag, 7. If you searching to check on 300 Win Mag Barrel Remington 700 7mm Rem Mag Vs 300 Win Mag Barrel Life price. 1)) Load each of them with the very 'maximum' amount of powder each case will safely hold, and also with exact same type of powder. 300 Winchester Magnum as a parent case and reported velocities along with the occasional but hard to find anecdotal notes regarding the 7mm-. 2820 Brandt Ave; Nampa, ID 83687. 308 Winchester positively locates the receiver and free-floats the barrel for outstanding accuracy. It sounds like I heard wrong about the 7mm Rem Mag having twice the barrel life (all other factors being equal). These can only be made at the time the original barrel is created, so be sure to order one with your new custom pre-fit barrel. Tikka 300 Win Mag Barrel Life. or 7mm rem mag vs. The arrival of the 7mm Remington Magnum in 1962 conveniently coincided with Remington's new and improved Model 700 series - a design which has stood the test of time, and to this day remains one of the most popular and versatile actions around. Your logic makes a lot of sense regarding the 338 Mag. They used the 7mm Rem Mag for a good number of years using ammo loaded by HSM. 300 Winchester mag is to incredible of a round. 7mm Mag I prefer the 7mm RM it has a longer barrel life and is built on a standard length action and has less felt recoil plus has a wider range of. grain soft nose. 22 Win Mag; 12 Gauge. 280 Remington speed. I just got back from Alaska and the Yukon and learned alot about what it takes. I don't have one in the stable at the moment, but for several years it was the only hunting rifle I used on everything from coyotes to big bull elk. I have also tested a variety of 30 cals, 300 win mag, 300 rum, 30-378, 30 Lapua, and so on. mostly come in rifles with 24" barrels and the. 270 filled the bill. As to case life; a competent handloader can get up to 10 reloads from brass handled properly. 30 caliber shooters might engage. 300 Rem Ultra Mag. Both cartridges were formed from the belted. A Hornady 162gr ELD Match @ 2990 vs a Berger 250gr OTM @2850 are very close even out to 3000m for both elevation and wind drift. The 7mm Rem Mag's versatility and capacity for long-range shots has cemented it as a favourite among many shooters. 300 Winchester Magnum (. With the addition of the high bc berger bullets, I would go with a 270 wsm. 300 WM Tikka Mod. This cartridge has a slightly shorter body than the. 300 Win Mag 26 7 lbs 4 oz $549. The arrival of the 7mm Remington Magnum in 1962 conveniently coincided with Remington’s new and improved Model 700 series – a design which has stood the test of time, and to this day remains one of the most popular and versatile actions around. 308 cartridge measures in at 7. 5 Creedmoor is like a 300 Win Mag without the recoil. The 7mm is use a lot out west for them long shots on deer elk ect The 308 is a great allround cartridge and so is the 7mm Mag the 7mm mag will out shoot a 308 in terms of distance of a shot you can take. 300 Winchester Magnum cartridge has been available to hunters for far longer than the much newer 6. followed by the 300 Win Mag. 223 has about a 5000 round. I don't use the 7mm Rem Mag for elk after a failure early on when the caliber first came out. 7mm Rem Mag. The 7mm Rem Mag is popular for a good reason. The belt is cosmetics only. 0 grains of water, the 7mm Rem. These last two remove the body taper, thus increasing powder capacity, and they are indeed every bit as fast as the 7mm Remington Magnum. That is for both 7mm Remington Magnum and for. far exceeds the performance of all other 7mm magnums on the market today. 270 Winchester. All with the same results, INCREDIBLE!!! A 7mm, a 300 Win. Mossberg 28070 Patriot Bolt 7mm Rem Mag 22 3+1. I know the majority of the pros and cons as far as cost, barrel life, recoil, range, etc. 30-06, we have compiled the BCs for all ten of the rounds we have been and will continue to use for comparison throughout the article (Graph 4). Please refer to the icons in the caliber list to determine which twist rate can be used in your custom barrel. Browning X-Bolt Stalker Long Range Rifle 035390229, 300 Win Mag, 26", Dura-Touch Armor Coating, Black Finish, $ 834. Get the right Die or Die Set for your press here at Midsouth. how much is real and how much is bs i don't really know but it is interesting and they seem to favor the 7mm mag. 7mm Rem Mag vs. 56×45, and. 300 Win Mag would be a little more common ammunition wise and less expensive than the. Swap barrels meaning if, say I bought a used Remington 700 300 wm and wanted to convert it to a 7mm-300. Re: 2000 yards 7mm rem mag vs 300wm The 7RM, 7WSM and 300 WM will all make it there, it's been done. The Remington 700 carbon fiber barrels feature Christensen Arms’ proprietary layering system and offer superior strength and accuracy while weighing less than a steel barrel of the same contour. 300 Winchester Magnum, or. 30-06, we have compiled the BCs for all ten of the rounds we have been and will continue to use for comparison throughout the article (Graph 4). Just because it can be done does not mean it makes sense, despite what you might read in advertising copy. In this article, we’re going to explore: 300 Norma Mag Background 300 Norma Magnum Ballistics Cartridge Comparisons 300 Norma vs. With a total weight of only 5. As with all Sako rifles, this model comes equipped with an adjustable trigger. Seven years after I returned to the U. Choosing The Right Home Defense Rifle. Browning A-Bolt VS Weatherby Vanguard/Howa 1500 it would be my Vanguard in. 375 H&H case cut down to. Mag and consider this to be my limit. 7mm Rem Mag: 26" 6 lbs. These barrel nuts are designed to work with the Savage barrel nut wrenches, therefore no specialty tools are required. I have tested, owned, built and shot many 7 rem mags, 7mm-300 win mags, a few 7 stw's, a 7 RUM or two and others in the. So, it begs to question whether or not the new. I want a featherweight stock so I figured the 06 chambering would make a good. The barrel is a full 22 inches, like it always should have been, but the foolish design with the huge. VAT Add to cart. au makes no warranty, authorises or endorses the accuracy, currency, suitability or completeness of any information contained in advertisments. American Hunter | Head to Head: 7mm Rem. 7mm Remington Magnum (7 Rem Mag) Barrel Length Versus Velocity. I have never been impressed with the 7mm Mag. and 300 Win. Furthermore, the 7mm Remington Magnum benefits from a vast range of compatible bullets due in large part to the popularity of the 7mm caliber while the. Mag, and so on. Violate this principle by, for example, chambering a lightweight, short action rifle for a powerful Magnum cartridge like the. The 7mm Rem Mag's versatility and capacity for long-range shots has cemented it as a favourite among many shooters. 5mm Creedmoor are capable of equaling both the muzzle velocity and the. No experience with the 270 wsm, but I have a lot with the 300 wsm. 244 H&H Magnum and. 5 Rem mag is basically Remington's version of a WSM. Best site for precision rifle accuracy and accurate shooting for Benchrest, F-Class, Tactical, Varmint, High Power precision Shooting. This is good in that it facilitates direct comparisons of load velocities. An enhanced grip design provides a palm swell and two front sling swivel studs. The belt is cosmetics only. As I want both/either of these (more 300 win mag than wsm tho) the deciding factor is bullet weight. 300 magnum cartridges, either short or tall, fat or slim, the. 300 WSM just to get a little shorter action and shorter barrel. I realize that is a little bit lighter than a sporter weight 700 SPS in 7MM Mag which weighs 7 5/8 pounds (7 pounds-10 ounces) according to Remington. has come out on top for a variety of reasons. These demonstrate there's more than one way to run a race. It requires proper headspacing. Model70 in 30-06 so guess that'll save the 7mm barrel Mainly looking for a long range hunting option in the 7mm. 30-06 that used to be my great-grandfathers, its mine and I'd like to retire it and buy my own(all the rifles I own are heirlooms, nothin wrong with that I just want one I bought with my own money). 30-06, we have compiled the BCs for all ten of the rounds we have been and will continue to use for comparison throughout the article (Graph 4). 06, and is why I bought the. Factory 7mm Rem. Twist rates must correspond to the calibers listed. The 300 Norma Magnum (shortened to 300 Norma Mag or even just 300 Norma) is the hottest new precision long range round of ammo – especially in the special operations military sniper world. 308 Win, 7mm. Most complete 7mm precision shooting page.