The Rock River Arms 16 Inch - MID-LENGTH - Predator Pursuit Upper features a Rock River Arms 16 inch heavy match, air guaged, cryo treated stainless steel barrel chambered in .223 Wylde with a 1:8 twist, mid-length gas system and a target crowned muzzle.  Built on a Rock River Arms forged A4 flattop receiver with a TRO Deluxe extended free float rail.  **Comes with 3 short rail sections.

ARES-15 MCR (Mission Configurable Rifle) Semi Auto Upper. Part # MCR-036

ARES Defense is proud to introduce the ARES-15 MCR; our newest platform for professional shooters who demand performance and mission flexibility from their weapons! 

Key features include: reliable mid-length gas-piston operation, adjustable gas block, a (3 second) quick-change barrel, extreme-duty breech bolt, vented high performance barrel extension. 

ARES-15 MCR Details:

*** ALL NFA RULES APPLY ***

This is the 11" barreled version.

We at PK Firearms are proud to announce we are now carrying the Freedom Ordnance, FM-9 9×19 Nato Belt Fed upper. Over a year in development and 10,000+ rounds in testing have been done by Freedom Ordnance, to bring you the world’s first 9mm belt fed!

Our FM-9 9mm links are made from high carbon steel heat treated with a manganese phosphate finish. Sold in quantities of 1000.