CMC Triggers
4.6-ounce H2 carbine buffer for adding reciprocating mass to an AR-15 with a mil-spec carbine receiver extension.
The CMC H2 buffer weighs 4.6 ounces and fits a mil-spec carbine receiver extension. Its extra mass can slow carrier movement in a hard-cycling AR-15, but the finished rifle still needs a live-fire function check with its intended ammunition.

Custom
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Add the CMC AR-15 H2 Carbine Buffer (4.6 oz) to your build and see how it enhances your platform.