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Rifles, Reloading, Optics, Equipment
Reloading
Subsonic 308 loads
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<blockquote data-quote="QuietTexan" data-source="post: 2479516" data-attributes="member: 116181"><p>It's not a waste of time, just a square peg/ round hole situation. You can beat the 308 peg into the subsonic hole, but as you said there are easier ways to do it.</p><p></p><p>There are better calibers than .308 for subs also. 300 BLK and its predecessors worked around the dimensional restrictions of the standard AR-15, if you remove that there are a lot of good options.</p><p></p><p>The original 338 Whisper used the .470 bolt face, which would work with your goal of switching out with a 6.5CM. If you're restricting yourself to 1050fps, might as well put as much weight behind it as you can. The larger the bore, the heavier the bullet. The larger the bullet you stick into the case compared to the parent design, the less wasted case capacity you have to deal with.</p><p></p><p>Defensive Edge will chamber a 338 Whisper, dies are still available for it, and you can get high quality 7BR brass that will last forever with subs.</p><p></p><p>There's nothing wrong with getting a 308 WIN for subs, barrels are easy to find with the right twist, it's just not an ideal subsonic chambering looking at the balance between case capacity, bullet weight, and terminal ballistics.</p></blockquote><p></p>
[QUOTE="QuietTexan, post: 2479516, member: 116181"] It's not a waste of time, just a square peg/ round hole situation. You can beat the 308 peg into the subsonic hole, but as you said there are easier ways to do it. There are better calibers than .308 for subs also. 300 BLK and its predecessors worked around the dimensional restrictions of the standard AR-15, if you remove that there are a lot of good options. The original 338 Whisper used the .470 bolt face, which would work with your goal of switching out with a 6.5CM. If you're restricting yourself to 1050fps, might as well put as much weight behind it as you can. The larger the bore, the heavier the bullet. The larger the bullet you stick into the case compared to the parent design, the less wasted case capacity you have to deal with. Defensive Edge will chamber a 338 Whisper, dies are still available for it, and you can get high quality 7BR brass that will last forever with subs. There's nothing wrong with getting a 308 WIN for subs, barrels are easy to find with the right twist, it's just not an ideal subsonic chambering looking at the balance between case capacity, bullet weight, and terminal ballistics. [/QUOTE]
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Subsonic 308 loads
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