SAA 11" 5.56 Carbine Length MOE Slim-Line A2 Nitride Complete AR-15 NFA/Pistol Upper Receiver - Black

SAA 10.5" 5.56 NATO Free Float Matrix Victor9 Keymod Complete AR-15 NFA/Pistol Upper Receiver - CUSTOMIZABLE

SAA 10.5" 5.56 YHM Mid Length Free Float TJ Quad Complete AR-15 NFA/Pistol Upper Receiver - CUSTOMIZABLE

SAA 8" 5.56 NATO Free Float Matrix Victor7 Keymod Complete AR-15 NFA/Pistol Upper Receiver - CUSTOMIZABLE

SAA 5.56 10.5" SAA HBAR 1:7 SS Specter Length YHM Diamond Quad Dragon's Head Complete AR-15 NFA/Pistol Upper Receiver

SAA 5.56 10.5" BHW HBAR 1:7 SS Specter Length Diamond Quad Dragon's Head Complete Pistol Upper Receiver, Blackhole SS Barrel, Partial NB BCG

SAA 10.5" Free Float Mid YHM KR7 Keymod Series 5.56 NATO Complete AR-15 NFA/Pistol Upper Receiver - CUSTOMIZABLE

SAA 10.5" Free Float Mid YHM MR7 MLOK Series 5.56 NATO Complete AR-15 NFA/Pistol Upper Receiver - CUSTOMIZABLE

SAA 300BLK 10.5" HBAR 1:7 Nitride Mid Length YHM Diamond Quad Rail A2 Complete AR-15 NFA/Pistol Upper Receiver

SAA 300 BLK 8.5" Pistol 1:7 Nitride YHM Carbine Length Diamond Quad Dragon's Head Complete AR-15 NFA/Pistol Upper Receiver Receiver

SAA 18" .308/7.62x51 NATO Free Float Odin Works K15.5 Series Phos BCG Chromoly Dragon's Head Complete AR-308 Upper Receiver - DPMS Pattern

SAA 18" .308/7.62x51 NATO KEYMOD Matrix Lavi 15 Series Complete Chromoly AR-308 Upper Receiver - Phos BCG, Dragon's Head Muzzle Break - DPMS Pattern