DPMS 18 inch SST Mini SASS - Rock River Arms DLX EXT MID

The DPMS 18 inch SST Mini SASS - Rock River Arms DLX EXT MID upper features a DPMS Mini SASS 18" fluted bull barrel, Midlength gas system, 416 stainless steel with Black Teflon coating, 1/8 Twist, .936 journal, Chambered In 5.56x45mm. Threaded 1/2 x 28 muzzle. Built on a Rock River Arms forged flattop receiver with a Rock River Arms DLX EXT 11.25 inch rail with an A2 flash hider.

These are assembled and test fired by PK Firearms.

Includes M-16 bolt group assembly and forged charging handle. 

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