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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Berger .277 EOL Extreme Heavy Hybrid 170 Grain.
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<blockquote data-quote="royinidaho" data-source="post: 733691" data-attributes="member: 2011"><p>Seeing as I already have a 270 AM, a 338 RUM and 375 AM a 338 Edge would be redundant. Thus my intent is to switch to the new Bertram bras and form to 270 AM.</p><p></p><p>Yes I use a ball powder to prevent bridging. A single experiment with RL-25 was nearly disastrous. Turned out to be more less of a "proof" load for the old Remmy 721. Now adverse effects other than completely ruining the head of the Case. The primer was flattened as if hit with a hammer.</p><p></p><p>If I recall correctly the Allen Mag improvement increases the RUM capacity buy about 15%. It will hold way more powder than is needed.</p><p></p><p>I can and have used a ton of 7828ssc with the 150 Nosler Ballistic Tip. Got'r ripping along starting at a bit over 3600 FPS MV and shoots lights out. But its itty bitty parachute opens up at around 1300+ yards and she begins dropping like Slim Pickins out of that B-52.</p></blockquote><p></p>
[QUOTE="royinidaho, post: 733691, member: 2011"] Seeing as I already have a 270 AM, a 338 RUM and 375 AM a 338 Edge would be redundant. Thus my intent is to switch to the new Bertram bras and form to 270 AM. Yes I use a ball powder to prevent bridging. A single experiment with RL-25 was nearly disastrous. Turned out to be more less of a "proof" load for the old Remmy 721. Now adverse effects other than completely ruining the head of the Case. The primer was flattened as if hit with a hammer. If I recall correctly the Allen Mag improvement increases the RUM capacity buy about 15%. It will hold way more powder than is needed. I can and have used a ton of 7828ssc with the 150 Nosler Ballistic Tip. Got'r ripping along starting at a bit over 3600 FPS MV and shoots lights out. But its itty bitty parachute opens up at around 1300+ yards and she begins dropping like Slim Pickins out of that B-52. [/QUOTE]
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Berger .277 EOL Extreme Heavy Hybrid 170 Grain.
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