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The Sig Sauer MODX-45 is a modular, direct-thread suppressor for .45 ACP that is 9.25" long in full configuration. Its titanium baffles can be removed to tailor length, weight and sound reduction, and it weighs about 8.75 oz fully assembled. Built from titanium and stainless steel, it is user-serviceable and full-auto rated, and ships with .578x28 and M16x1 LH pistons plus a fixed barrel spacer for carbines.
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