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to provide a fast, secure, and enjoyable experience. by CD5875, from OH, United States Asked on April 5, 2018
A regular buffer and spring will work just fine. Despite having more recoil, you do not need a heavier buffers/spring. You only need those to control the gas/bolt speed, and .450 Bushmaster is not over gassed. The general consensus is that you should use the heaviest buffer that still allows your rifle to cycle reliably.
