2019-08-11
Heavy Buffers | Products | 9mm Q AR15 Carbine Buffer
Buy this if you break bolt catch. A longer buffer reduces the overtravel. -- Or stack quarters in the back of the tube -- https://www.joeboboutfitters.com/New-Frontier-Armory-9MM-40S-W-Buffer-Spacer-p/nfa-9mmbufferspacer.htm
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