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Battle Arms Development Thumper 308 Winchester Compensator – Black
Battle Arms Development ThumperCompensator308 Winchester/762NATONitride FinishBlack5/8X24 ThreadedFeatures:17-4 Stainless Steel30CAL (7.62/308), 5/8×24 Threaded, 2.2ozDoes not include a crush washerBlack Nitrite Finish
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Battle Arms Development Thumper 9mm Compensator – Black
Battle Arms Development ThumperCompensator9MMNitride FinishBlack1/2×36 ThreadedFeatures:17-4 Stainless Steel9MM, 1/2×36 Threaded, 2.5ozDoes not include a crush washerBlack Nitrite Finish