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338 RCM
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<blockquote data-quote="J E Custom" data-source="post: 1963550" data-attributes="member: 2736"><p>Like others, I decided to build a 338 RCM when they first came out and ammo and cases were available. I wanted a small, light and compact powerhouse and got it. I built mine on a Model 7 Remington action with a 22" barrel and the rifle weighted in around 6 pounds. You can still find 300 RCM brass and neck them up If your brass supply is slim.</p><p></p><p>The little rifle shot extremely well but had to much muzzle rise for follow up shots so I installed an Assassin side port brake and the problem went away and so did lots of recoil with the 225 grain bullets.</p><p></p><p>Having several WSM's I had looked at the 325 WSM but the 8 mm bullet selection was poor so I decided on the 338 RCM</p><p></p><p>The 338 RCM doesn't quite match the 338 Win Mag, but it is close. Mine likes the 200 grain Accubond @ just over 2900 ft/sec using a case full of H414 (Just below 61,000 Psi) I also seat the bullets at mag length minus .030 for freebore and assured feeding. (It's primary use was for bear)</p><p></p><p>I also tried the 250 grain bullets but didn't see any benefit in performance.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1963550, member: 2736"] Like others, I decided to build a 338 RCM when they first came out and ammo and cases were available. I wanted a small, light and compact powerhouse and got it. I built mine on a Model 7 Remington action with a 22" barrel and the rifle weighted in around 6 pounds. You can still find 300 RCM brass and neck them up If your brass supply is slim. The little rifle shot extremely well but had to much muzzle rise for follow up shots so I installed an Assassin side port brake and the problem went away and so did lots of recoil with the 225 grain bullets. Having several WSM's I had looked at the 325 WSM but the 8 mm bullet selection was poor so I decided on the 338 RCM The 338 RCM doesn't quite match the 338 Win Mag, but it is close. Mine likes the 200 grain Accubond @ just over 2900 ft/sec using a case full of H414 (Just below 61,000 Psi) I also seat the bullets at mag length minus .030 for freebore and assured feeding. (It's primary use was for bear) I also tried the 250 grain bullets but didn't see any benefit in performance. J E CUSTOM [/QUOTE]
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