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Perfect for building or replacing worn out parts, these Mil-Spec buffers are made to fit specific AR15 models. The carbine buffer, weighing 3 oz., is best suited to AR15 carbines with a collapsible buttstock. Meanwhile, the H, H2, and H3 Buffers are all heavy buffers designed to reduce felt recoil and cycling rate on full-auto rifles. They are made to Mil-spec standards for AR15 carbines with a collapsible buttstock, with the respective weights of 3.8 oz, 4.65 oz, and 5.4 oz.

For A2 or A4 style AR15 rifles with fixed buttstocks, we offer a Mil-spec rifle buffer that makes for a perfect replacement part or addition to your new build. Please note that this rifle buffer will not function with AR15 carbines that have a collapsible buttstock. All our buffers are made in the USA.

However, please be cautious when adding a heavy buffer to your custom rifle, as too heavy of a buffer can interfere with reliable function.