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Adams Arms piston kit on carbine C.O.P. I see Aero sold ones that were “modified” to be compatible with the pic rail block but I can't tell what the difference is. Anybody
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Adams Arms CPSDADA AR-15 Gas Piston Kit Carbine10"-16" Length. 75" Diameter | 4.5 Star Rating Free Shipping over $49!
Adams Arms P Series Micro Block Mid Length Piston Kit | Up to $30.00 Off 4 Star Rating w/ Free Shipping and Handling
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