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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.338 Win Mag 250 or 300 SMK
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<blockquote data-quote="edward hogan" data-source="post: 346963" data-attributes="member: 1341"><p>AZShooter,</p><p></p><p>I have been thinking about another switchbarrel for my TRG42. As a tactical rifle, seems to me the finest combo would be a .338/284...</p><p></p><p>You look at Robert Whitley's inset article in the German Salazar RL17 article on 6mmbr.com and you will see Whitley reports 180gr Berger 7mm bullets at 3000fps plus from the standard .284 using RL 17.</p><p></p><p>I extrapolated my data by comparing .300 and .330 Dakota cases because they had same capacities, and the .300 and .340 wby cases because they were same dimension aside from neck diameter.</p><p></p><p>I'm sure if you necked up the 6.5/284 Lapua case you might even beat Whitley's data some. But getting same or better than .338/06 velocity from the .284 case necked up to .338 with the excellent BC of the Hornady bullet, who would ever need a TRG-22??</p><p></p><p>Pretty easy to buy a .473" bolt body from BerettaUSA. Then the same std magnum magazine should work...</p><p></p><p>I think having a 5-10K rounds fired barrel life would be IT... Not to mention superb accuracy from that excellent case.</p><p></p><p>Just some ideas. Have also thought of a .532" rebated case head for the .338 Norma or the short Lazzeronis, but you still have the barrel life issues due to capacity. Actually the .330 Dakota shortened a bit and trimmed to .532 (would you even need to trim it?) could be a great one....</p></blockquote><p></p>
[QUOTE="edward hogan, post: 346963, member: 1341"] AZShooter, I have been thinking about another switchbarrel for my TRG42. As a tactical rifle, seems to me the finest combo would be a .338/284... You look at Robert Whitley's inset article in the German Salazar RL17 article on 6mmbr.com and you will see Whitley reports 180gr Berger 7mm bullets at 3000fps plus from the standard .284 using RL 17. I extrapolated my data by comparing .300 and .330 Dakota cases because they had same capacities, and the .300 and .340 wby cases because they were same dimension aside from neck diameter. I'm sure if you necked up the 6.5/284 Lapua case you might even beat Whitley's data some. But getting same or better than .338/06 velocity from the .284 case necked up to .338 with the excellent BC of the Hornady bullet, who would ever need a TRG-22?? Pretty easy to buy a .473" bolt body from BerettaUSA. Then the same std magnum magazine should work... I think having a 5-10K rounds fired barrel life would be IT... Not to mention superb accuracy from that excellent case. Just some ideas. Have also thought of a .532" rebated case head for the .338 Norma or the short Lazzeronis, but you still have the barrel life issues due to capacity. Actually the .330 Dakota shortened a bit and trimmed to .532 (would you even need to trim it?) could be a great one.... [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.338 Win Mag 250 or 300 SMK
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