YHMsNielsen Pistons are compatible with YHMs booster housing YHM-2055as well as many popular pistol suppressors. They are constructed fromheat treated 17-4 stainless steel for maximum durability andcorrosion resistance. They feature 10 adjustment points to zero anyimpact shift. Available in a variety of thread patterns to fit mostfirearms. Weight: 1.40 oz. Not compatible with Sidewinder suppressors
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