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SIG SAUER SRD9 Silencer for 9mm pistols. Includes two pistons: 1/2x28 TPI and M13.5x1LH. Weight 9 oz, diameter 1.38 in, length 7.2 in. Direct-thread attachment with 1/2-28 TPI and M13.5x1 LH threads. Material is Titanium and Stainless Steel. Booster for Browning Tilting Barrel pistols. A fixed-barrel spacer is available for fixed-barrel hosts like the SIG MPX.
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