HK416 OTB E1 Buttstock and Buffer Tube Setのレビュー

H&K MIL-SPEC 416 OTB Buffer Tube & HK E1 Stock Combo Genuine HK416 E1 Stock with the new style marine environment "over the beach" buffer tube. Buffer tube has ball bearing rollers to tighten the stock when locked in position, and helps smooth the sliding action when changing between the 6 positions set up with a concave style butt pad for optimum comfort. Includes: HK Buffer Tube Mil-spec HK416 E1 Stock Mil-spec Take Down Tool Compatible With: HK416