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Upper Receivers Displaying 1 to 32 (of 32 products) Result Pages:  1  Sort by Product Name (Low to High)   |  Sort by Price (Low to High) Narrow Results: All ManufacturersAdvanced TechnologyBushmaster FirearmsCMMGHeckler and KochHi Point FirearmsPOF-USA FirearmsRuger FirearmsSmith and WessonWiley X H&K MR556 Complete Upper Receiver Kit 235975A5 , 223 Rem/5.56 NATO, 16" 4140 Steel Black BBL, Black Finish, Upper Only Our Price: $2,380.30 $2,199.00 Adcor 014000E Upper w/Sights, 16 in, 223 Remington, Black, Carbon Steel Our Price: $1,576.74 POF-USA URA415-18-11T Gas Piston Upper, 18 in, Tactical Rail, Black Our Price: $1,379.00 Ruger SR556UFB 90356 Complete Upper 5.56 16.12" 41V45 Steel Heavy Contour Blk Brl, Thread BBL Our Price: $1,270.10 Advanced Armament 101716 300 Blkout AR Upper Assembly, 16 in Our Price: $979.00 Smith & Wesson 812011 Upper Assembly 5.56 MP15TS Our Price: $961.55 Advanced Armament 100884 300 Blkout AR Upper Assembly, 9 in Our Price: $937.20 Bushmaster 92336 5.56 Flat Top Upper Receiver Our Price: $895.99 Smith & Wesson M&P 15T 5.56 Piston Complete X Upper Assembly Our Price: $858.86 Bushmaster F1007561 .450 Upper Assembly Our Price: $773.66 Smith & Wesson M&P 15T 5.56 Piston Complete Upper Assembly Our Price: $770.48 Smith & Wesson 812010 Upper Assembly 5.56 MP15T Our Price: $765.50 Smith & Wesson 812005 Upper Receiver Assembly For 5.45 MP15R Rifle Our Price: $675.30 CMMG 10233 9mm Upper, 16 in, Frt Sight Our Price: $668.19 Bushmaster 91702 Flat Top 450 Bushmaster Upper Receiver w/ Izzy Suppressor, 20in Barrel Our Price: $665.79 (1 Customer Review) Bushmaster 91820 7.62x39 A3 Upper Receiver Our Price: $657.38 (1 Customer Review) Bushmaster 91828 6.8 A3 Upper Receiver Our Price: $657.38 Bushmaster F1009522 6.8mm SPC Upper Assembly Our Price: $651.56 Bushmaster 92450 5.56 Flat Top Predator Upper Receiver Our Price: $649.03 CMMG 10217 223 Upper, 16 in, LEP, Opt Ready Our Price: $645.29 Bushmaster 92820 5.56 Flat Top Varminter Upper Receiver Our Price: $633.54 CMMG Upper Receiver 55B3CDE, 5.56 Nato, 18 in Stainless Steel Bull Barrel, Aluminum Free Float Tube, Blk Finish Our Price: $629.95 Bushmaster 91822 5.56 A3 Receiver M4 Our Price: $582.26 Bushmaster 92316 A3 Receiver With Dissipator Our Price: $557.86 CMMG 11004 Upper Complete 16 in Bull Barrel, 223, SS, Heavy BBL, Opt Ready Our Price: $530.01 Bushmaster 92194 Flat Top ORC 5.56 Upper Receiver Our Price: $523.84 CMMG 10218 223 Upper, 16 in, GAS, Frt Sight Our Price: $504.96 CMMG 10297 223 Upper, 16 in, Hvy Bull BBL, Quad Rail Our Price: $504.96 Bushmaster F1007682 20 in Predator 223 Upper Receiver Barrel Assembly Our Price: $490.61 (1 Customer Review) Bushmaster 92546 A2 Tactical Upper Receiver Post Ban, 20 in Hvy BBL Our Price: $459.35 (2 Customer Reviews) CMMG 11055 22 LR Upper AR15, 22 Long Rifle, Black, Carbon Steel, Opt Ready Our Price: $399.49 Hi Point 500057 M4 22LR Upper Receiver Our Price: $293.56 (2 Customer Reviews) Displaying 1 to 32 (of 32 products) Result Pages:  1