FAXON ARAK-21 COMPLETE UPPER 5.56 12.5" SIG Optic Plates 42 Objective

42 Objective

Spare replacement reflector

These high-velocity shells feature a 1-1/8oz payload of BB steel shot

751 ft-lbs

Muzzle Energy: 3457 ft-lbs

FAXON ARAK-21 COMPLETE UPPER 5.56 12.5" SIG Optic Plates 42 ObjectiveElevate your AR15 platform with the Faxon ARAK 21 Complete Upper featuring a 12. 5" 5. 56 NATO barrel. This compact upper receiver incorporates a gas piston system for cleaner, more reliable operation. The 12. 5" barrel provides an excellent balance of maneuverability and ballistic performance. The ARAK 21 design boasts a non reciprocating, ambidextrous charging handle and a quick change barrel system for easy caliber conversions. Compatible with