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Posted: 5/5/2015 7:27:10 PM EDT
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for those that run a 16 inch carbine in 9mm, what weight buffer are you using?
i'm looking at a 5 oz, the spikes 8 oz or a standard 3 oz with quarters to space any insight would be great |
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Quoted:
for those that run a 16 inch carbine in 9mm, what weight buffer are you using? i'm looking at a 5 oz, the spikes 8 oz or a standard 3 oz with quarters to space any insight would be great 5 oz is typically the lightest you'll see, I started with the RRA 5 oz buffer but now run the 8.5 oz Spike's dedicated length buffer, much smoother and handles +P loads better. Still runs light range loads without choking. If running hot or +P loads all the time a heavier buffer spring is a good upgrade, but mine won't run regular loads reliably with the Wolff power spring. I've seen 9mm carbines run with a standard buffer, but since they're blowback there has to be a certain amount of pressure on the bolt during ignition. Since Colt invented the darned thing and they run a 5 oz buffer I wouldn't go below that. I shared a lower with my RRA 9mm upper and a BCM 14.5"middy using a 5 oz buffer, both rifles operated 100%, . |
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Quoted:..... run the 8.5 oz Spike's dedicated length buffer, much smoother and handles +P loads better. Still runs light range loads without choking..... Agree with wanderson. In my 16 incher with CMMG lower, I'm also running the Spikes' ST-9X with a standard carbine spring. 
The extended length is to help prevent the possible problem of breaking bolt catches. |
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