AR-15 Upper Receivers for Sale

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BC-15 | 5.56 NATO Upper | 16” Parkerized M4 Barrel | 1:9 Twist | Carbine Length Gas System | 15” MLOK $219.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 18" 416R SS Black Nitride Black Wolf Fluted Heavy Barrel | 1:8 Twist | Mid-Length Gas System | 15" MLOK $293.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 16" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 15" MLOK $219.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .350 Legend Upper | 16" 416R SS M4 Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK $256.87 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-22 | .22 LR Right Side Charging Upper | 16" Black Nitride Heavy Barrel | 1:16 Twist | Blowback Gas System | 15" MLOK $235.96 In Stock 5h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas system | 15" MLOK| Billet Upper Receiver $212.40 In Stock 31d ago 1h ago Bear Creek Arsenal
BC-15 | 6mm Arc Upper | 16” Parkerized M4 Barrel | Mid-length Gas System | 1:8 Twist | 15” MLOK $279.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 6.5 Grendel Upper | 20" Parkerized Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $261.11 In Stock 30d ago 1h ago Bear Creek Arsenal
BC-15 | 6.5 Grendel Upper | 18" 416R SS Heavy Barrel | 1:8 Twist | Mid-Length Gas System | 15" MLOK $263.21 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-9 | 9MM Billet Left Side Charging Right Ejecting Bufferless Upper | 5" Parkerized M4 Barrel | 1:10 Twist | Blow Back Gas System | 4" MLOK $249.00 In Stock 9d ago 2h ago Bear Creek Arsenal
BC-15 | 6mm Arc Right Side Charging Upper | 16” Parkerized M4 Barrel | Mid-length Gas System | 1:8 Twist | 15” MLOK $271.96 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 20" Parkerized Heavy Barrel | 1:7 Twist | Rifle Length Gas System | 15" MLOK $223.08 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 20" 416R SS Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.56 In Stock 50d ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Right Side Charging Upper | 20" Black Nitride Government Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $227.33 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 16" Black Nitride M4 Barrel | 1:7 Twist | Mid-Length Gas System | 15" MLOK $179.99 In Stock 23d ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 7.5" Parkerized M4 Barrel | 1:7 Twist | Pistol Length Gas System | 6.5" MLOK $205.99 In Stock 8d ago 1h ago Bear Creek Arsenal
BC-15 | .300 Blackout Upper | 8.5" Parkerized Heavy Barrel | 1:8 Twist | Pistol Length Gas System | 6.5" MLOK $208.77 In Stock 9d ago 1h ago Bear Creek Arsenal
BC-15 | 7.62x39 Right Side Charging Upper | 10.5" Parkerized Heavy Barrel | 1:10 Twist | Carbine Length Gas System | 9.5" MLOK $204.41 In Stock 44d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 20" Black Nitride Heavy Barrel | 1:7 Twist | Rifle Length Gas System | 15" MLOK $227.33 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 10.5" 416R SS M4 Barrel | 1:8 Twist | Pistol Length Gas System | 9.5" MLOK $209.13 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .450 Bushmaster Right Side Charging Upper | 16” 416R SS Heavy Barrel | 1:24 Twist | Carbine Length Gas System | 15” MLOK $219.00 In Stock 6d ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas System | 11.5" MLOK | Billet Upper Receiver $289.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 7.62x39 Upper | 18" Parkerized Heavy Barrel | 1:10 Twist | Mid-Length Gas System | 15" MLOK | Billet Upper Receiver $299.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .300 Blackout Upper | 16” Parkerized Heavy Barrel | 1:8 Twist | Carbine Length Gas System | 15” MLOK | Billet Upper Receiver $289.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .350 Legend Upper | 20" 416R SS Heavy Barrel | 1:16 Twist | Carbine Length Gas System | 15" MLOK | Billet Upper Receiver $254.52 In Stock 17d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 16" Parkerized M4 Barrel | 1:9 Twist | Carbine Length Gas System | 15" MLOK $211.96 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Left Side Charging Upper | 10.5" Parkerized M4 Barrel | 1:7 Twist | Carbine Length Gas System | 9.5" MLOK $259.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Left Side Charging Upper | 16" Parkerized M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15" MLOK $269.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Billet Upper | 16” 416R SS M4 Barrel | 1:8 Twist | Carbine Length Gas System | 15” MLOK $302.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 7.5" 416R SS M4 Barrel | 1:7 Twist | Pistol Length Gas System | 6.5" MLOK | Billet Upper Receiver $275.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 18" 416R SS Heavy Barrel | 1:8 Twist | Mid-Length Gas System | 15" MLOK | Billet Upper Receiver $314.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 16” 416R SS M4 Barrel | 1:8 Twist | Carbine Length Gas System | 11.5” MLOK | Billet Upper Receiver $302.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 14.5" Parkerized M4 Barrel | 1:7 Twist | Mid-Length Gas System | 11.5" MLOK $194.99 In Stock 35d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 12.5" Parkerized SOCOM Barrel | 1:7 Twist | Mid-Length Gas System | 11.5" MLOK $189.99 In Stock 30d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 14.5" Parkerized M4 Barrel | 1:7 Twist | Mid-Length Gas System | 11.5" MLOK $194.99 In Stock 35d ago 1h ago Bear Creek Arsenal
BC-15 | .450 Bushmaster Upper | 18" 416R SS Heavy Barrel | 1:24 Twist | Mid-Length Gas System | 15" MLOK $263.21 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 22" 416R SS Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 22" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $274.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 22" 416R SS Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 22" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 22" 416R SS Spiral Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $284.99 In Stock 9d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 22" 416R SS Spiral Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 12.7 x 42 Upper | 10.5” Parkerized Heavy Barrel | 1:20 Twist | Pistol Length Gas System | 10” MLOK $242.44 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 24" 416R SS Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 24" 416R SS Straight Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $249.00 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | .223 Wylde Upper | 20" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" Rifle Handguard & Gas Block $321.99 In Stock 12h ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 24" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $289.99 In Stock 14d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Upper | 24" 416R SS Spiral Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $299.99 In Stock 14d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 24" 416R SS Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $284.99 In Stock 9d ago 1h ago Bear Creek Arsenal
BC-15 | 5.56 NATO Right Side Charging Upper | 24" 416R SS Spiral Fluted Heavy Barrel | 1:8 Twist | Rifle Length Gas System | 15" MLOK $294.99 In Stock 9d ago 1h ago Bear Creek Arsenal
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