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- Spikes Spikes SFT50M4 Flat Top Stripped Upper Multi-Caliber 7075-T6 Aluminum Black Anodized Receiver for M4 Platform $120.75
- Aero Precision AERO M4E1 ASSEMBLED UPPER BLACK $175.78
- Spikes SPIKE'S FLAT TOP UPPER 9MM BLK $120.75
- Luth-AR LUTH AR UPPER RCVR ASMB W/CHARG HNDL $140.95
- Daniel Defense DD M4V7S UPPER URG 11.5" 556NATO $1,325.80
- Yankee Hill YHM AR-15 STRIPPED UPPER RECEIVER $115.50
- Nordic Components NORDIC 16" .22LR COMPLETE UPPER 10RD $719.88
- Daniel Defense DD M4A1 UPPER URG 14.5"PB 556 FDE $1,636.60
- Bowden Tactical Bowden Tactical J27113 AR Rifle Build Kit Complete, 13" M-Lok Handguard, Mil-Spec Parts, Flip Up Sights $725.95
- Spikes Spikes STU5025M4S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, M4 Double Head Shield Handguard for M4 Carbine $922.26
- Bowden Tactical Bowden Tactical J27115 AR Rifle Build Kit Complete, 15" M-Lok Handguard, Mil-Spec Parts, Flip Up Sights $725.95
- Colt COLT M4 UPPER 5.56 11.5" LW BLK $1,054.20
- Spikes Spikes STU5025R9S Complete Upper 5.56x45mm NATO 16" Black Phosphate Barrel, 7075-T6 Aluminum Black Receiver, 9" BAR2 Free-Float Handguard for M4 Carbine $818.22
- Luth-AR LUTH AR 16" LTWT BBL COMP UPPER 223 $506.11
- Luth-AR LUTH AR 24" BULL BBL COMP UPPER 223 $625.02
- Colt COLT EPR UPPER KIT 5.56 14.5" BLK $1,272.60
- Odin ODIN BILLET UPPER 9MM BLK $132.05
- Spikes Spikes STU5435MLS Complete Upper 5.56x45mm NATO 16" Black Phosphate/Midlength Barrel, 7075-T6 Aluminum Black Receiver, 12" SAR3 Free-Floating Handguard for AR-15 $694.16
- Radian RADN R0452 COMPL UPPER 10.5 223W FDE $2,213.54
- Troy TROY A4 COMPLETE UPPR 556 16" $851.02
- LBE Unlimited LBE UPPER W/FRWRD ASSIST AND EJECTIO $126.83
- Odin ODIN BILLET UPPER RECEIVER BLACK $194.85
- Angstadt Arms ANGSTADT CMPLT UPPR 9MM 6" SUP RDY $830.20
- CMMG CMMG 99B518DAB Banshee 9mm Luger 8" Armor Black, M-Lok Free-Float Handgaurd for AR-Platform $1,029.64
- Angstadt Arms ANGSTADT CMPLT UPPR 9MM 6" BLK $679.00
- Radian Radian Weapons R0023 Complete Upper 223 Wylde 10.50" Black Barrel, 7075-T6 Aluminum Radian Black Receiver, Extended with Magpul M-LOK Handguard for AR-15 $2,213.55
- CMMG CMMG UPPR BANSHEE 5.7X28MM 5" BLK $1,032.36
- Luth-AR LUTH AR A3 UPPER RECEIVER $110.87