-German 416R stainless steel.
-Heat treated and double tempered.
-Diamond honed for improved accuracy & concentricity.
-Hand polished chamber & feed ramp.
-1/2-28 threaded to AAC specs.
-Chambered in 9mm to SAAMI specs.
Works in Gen 1, 2, 3, 4 & 5.
*Thread protector included.
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