Complete Upper Receivers

Primary Weapons Systems 300 BLK MK1 MOD 2-M Complete Upper - 9.75"

Primary Weapons Systems 300 BLK MK109 MOD 1-M Complete Upper - 9.75"

Stern Defense AR 9mm MOD5 MLOK Complete Upper - 10.5"

Primary Weapons Systems .223 Wylde MK116 MOD 1-M Complete Upper - 16.1"

Maxim Defense MDX 505 PDX 300BLK Mil-Spec Complete Upper - 5.5" Urban Grey

Maxim Defense MDX 505 PDX 7.62x39 Mil-Spec Complete Upper - 5.5" Urban Grey

Maxim Defense MDX 505 PDX 5.56 NATO Mil-Spec Complete Upper - 5.5" Urban Grey

Arms Republic 9mm Complete Upper Assembly - 16"

Aero Precision M4E1 300BLK Complete Upper Receiver w/Atlas R-ONE Handguard - 8" Black

Rainier Arms / Rellim Arms AR-15 .223 Wylde Take Down Upper Receiver Assembly - 8.5"

Rainier Arms / Rellim Arms AR-15 5.56 NATO Take Down Upper Receiver Assembly - 16"

Dead Foot Arms AR-15 AR-SD 9MM Upper Assembly

Dead Foot Arms AR-15 AR-MP9 9MM Upper Assembly

Daniel Defense DD4 RIII Complete Upper Receiver - 16" Black

Angstadt Arms 16″ 9mm Complete Upper Assembly

Maxim Defense MDX 508 300 BLK Mil-Spec Complete Upper - 8.5"