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338 Norma Review By Ward W. Brien
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<blockquote data-quote="985" data-source="post: 485684"><p>The Barrel Lug that I use is 1/4" thick.</p><p>The Barrel is manufactured by "Mark Chanlynn" of "Rocky Mountain Rifle Works," and his phone number is as follows: (303) 823-6270. He is one of the Very Best Barrel manufacturers around and has been making them for 40+ years. He also apprenticed under "Boots Obermeyer."</p><p></p><p>The Barrel has a 1:9.1" Twist ratio and at the time was 28" long. The ideal length of the barrel is 26" overall, however at the time, the barrel was 28" overall.</p><p></p><p>The powder that I utilize at my elevation, (8200 ASL) is Reloader 22 and the primers are Fed 215M.</p><p></p><p>There are two accuracy nodes that I load, one is 82.5 grains which gives me 2649 fps and the other is 84.2 grains which gives me 2,785 fps. The lighter load stabilizes at 100 meters and shoots basically a hole. The 84.2 shoots bigger at 100 meters, approximately 3/8" but shoots exceptionally small at and beyond 300 meters.</p><p></p><p>The bullets utilized are the 300 grain SMK's and they are loaded IN THE LANDS .003". </p><p></p><p>I have another .338 Norma that I have been working with that likes a jump and shoots the same whether .005" or at .02". The group size is one hole but once in awhile jumps an 1/8". I have 37 rounds down that pipe, so in a few more rounds I'll start seeking out a trend.</p><p></p><p>The .338 Norma is The Best Cartridge that I have ever shot. It works so well and the barrel life is 2.5 times longer than the LaPua with downrange Accuracy about three times better. That is a Fact.</p></blockquote><p></p>
[QUOTE="985, post: 485684"] The Barrel Lug that I use is 1/4" thick. The Barrel is manufactured by "Mark Chanlynn" of "Rocky Mountain Rifle Works," and his phone number is as follows: (303) 823-6270. He is one of the Very Best Barrel manufacturers around and has been making them for 40+ years. He also apprenticed under "Boots Obermeyer." The Barrel has a 1:9.1" Twist ratio and at the time was 28" long. The ideal length of the barrel is 26" overall, however at the time, the barrel was 28" overall. The powder that I utilize at my elevation, (8200 ASL) is Reloader 22 and the primers are Fed 215M. There are two accuracy nodes that I load, one is 82.5 grains which gives me 2649 fps and the other is 84.2 grains which gives me 2,785 fps. The lighter load stabilizes at 100 meters and shoots basically a hole. The 84.2 shoots bigger at 100 meters, approximately 3/8" but shoots exceptionally small at and beyond 300 meters. The bullets utilized are the 300 grain SMK's and they are loaded IN THE LANDS .003". I have another .338 Norma that I have been working with that likes a jump and shoots the same whether .005" or at .02". The group size is one hole but once in awhile jumps an 1/8". I have 37 rounds down that pipe, so in a few more rounds I'll start seeking out a trend. The .338 Norma is The Best Cartridge that I have ever shot. It works so well and the barrel life is 2.5 times longer than the LaPua with downrange Accuracy about three times better. That is a Fact. [/QUOTE]
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