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Upper Receivers/Conv Kits

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Battle Arms Development, Inc. LIGHTRIGID, Ultramatch, Barrel, .223 WYLDE, 14.5, Black, .625 Dia Gas Block, Mid Length Gas System 100-800-035 Black Rain Ordnance 458 SOCOM Complete Upper, 16 4150 Chromoly Vanadium Steel Barrel, 1:14 Twist, Forged, 15 MLOK Rail, Nitride Coated BCG, Billet Charging Handle w/Extended Tac Latch, 458 SOCOM Muzzle Brake, Black Finish BRO-SPEC15-CU-458S Black Rain Ordnance 556 SOCOM, Complete Upper, 556NATO, 16 SOCOM Profile Chromoly NATO Barrel, Black Finish, 1:7 Twist, BRO 15 M-Lock Hybrid Handguard, Mid Lenght Gas System, LET IT RAIN Lazer Engraved Dust Cover, SPEC15 Nitride Coated Bolt And Carrier Group, Mil-Spec A2 Flash Hidder, Spec 15 Charging Handle BRO-SPEC15-CU-SOCOM-556
Battle Arms Development, Inc. LIGHTRIGID, Ultramatch, Barrel, .223 WYLDE, 14.5", Black, .625" Dia Gas Block, Mid Length Gas System Manufacturer: Battle Arms Development, Inc.
Manufacturer Part #: 100-800-035
MSRP: $555.00
Our Price:  $443.81 
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Black Rain Ordnance 458 SOCOM Complete Upper, 16" 4150 Chromoly Vanadium Steel Barrel, 1:14 Twist, Forged, 15" MLOK Rail, Nitride Coated BCG, Billet Charging Handle w/Extended Tac Latch, 458 SOCOM Muzzle Brake, Black Finish Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRO-SPEC15-CU-458S
MSRP: $849.00
Our Price:  $793.82 
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Black Rain Ordnance 556 SOCOM, Complete Upper, 556NATO, 16" SOCOM Profile Chromoly NATO Barrel, Black Finish, 1:7 Twist, BRO 15" M-Lock Hybrid Handguard, Mid Lenght Gas System, "LET IT RAIN" Lazer Engraved Dust Cover, SPEC15 Nitride Coated Bolt And Carrier Group, Mil-Spec A2 Flash Hidder, Spec 15 Charging Handle Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRO-SPEC15-CU-SOCOM-556
MSRP: $769.00
Our Price:  $668.90 
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Black Rain Ordnance Barrel, .458 SOCOM, 10.5, 4150V Chromoly, .936 Heavy Profile, Pistol Length Gas System, Black Nitride Finish BRL-458S-105-CM-NF-BLK Black Rain Ordnance Milled Upper Receiver, 223 Rem/556NATO, Flat Top Sights, Black Finish BRO-MUR-2 Black Rain Ordnance SPEC15 Stripped Upper, Forged, 223 Rem/556NATO, Black Finish BRO-SPEC15-UR
Black Rain Ordnance Barrel, .458 SOCOM, 10.5", 4150V Chromoly, .936 Heavy Profile, Pistol Length Gas System, Black Nitride Finish Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRL-458S-105-CM-NF-BLK
MSRP: $209.00
Our Price:  $186.25 
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Black Rain Ordnance Milled Upper Receiver, 223 Rem/556NATO, Flat Top Sights, Black Finish Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRO-MUR-2
MSRP: $279.00
Our Price:  $188.09 
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Black Rain Ordnance SPEC15 Stripped Upper, Forged, 223 Rem/556NATO, Black Finish Manufacturer: Black Rain Ordnance
Manufacturer Part #: BRO-SPEC15-UR
MSRP: $129.00
Our Price:  $112.22 
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Bootleg Complete Upper Receiver For AR 15, Lightweight, Black Finish, 6.2oz BP-UR Bravo Company Upper, Mil-Spec, 1913 Rail for Mounting Optics and Accessories, Flat Top, Black BCM4-UR-M4 Bushmaster Upper , 450 Bushmaster, 16 Barrel, Flat Top, Black Finish 91700
Bootleg Complete Upper Receiver For AR 15, Lightweight, Black Finish, 6.2oz Manufacturer: BOOTLEG
Manufacturer Part #: BP-UR
MSRP: $179.95
Our Price:  $151.87 
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Bravo Company Upper, Mil-Spec, 1913 Rail for Mounting Optics and Accessories, Flat Top, Black Manufacturer: Bravo Company
Manufacturer Part #: BCM4-UR-M4
MSRP: $149.00
Our Price:  $107.92 
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Bushmaster Upper , 450 Bushmaster, 16" Barrel, Flat Top, Black Finish Manufacturer: Bushmaster
Manufacturer Part #: 91700
MSRP: $689.95
Our Price:  $528.72 
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Bushmaster Upper M4A3 ,223 Rem/556NATO, 16 Barrel, Bayonet Lug and A2 Flash Hider, Flat Top Receiver, Black Finish, Complete Barrel Assembly w/BCG 91823 Bushmaster Upper, 450 Bushmaster, 20 Barrel, Flat Top, Black Finish, 1-5Rd Magazine 91702 Bushmaster Upper, Optics Ready Carbine, 223 Rem/556NATO, 16 Barrel, 1:9 Twist, Flat Top Receiver, Black Finish 92194
Bushmaster Upper M4A3 , 223 Rem/556NATO, 16" Barrel, Bayonet Lug and A2 Flash Hider, Flat Top Receiver, Black Finish, Complete Barrel Assembly w/BCG Manufacturer: Bushmaster
Manufacturer Part #: 91823
MSRP: $539.00
Our Price:  $413.05 
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Bushmaster Upper, 450 Bushmaster, 20" Barrel, Flat Top, Black Finish, 1-5Rd Magazine Manufacturer: Bushmaster
Manufacturer Part #: 91702
MSRP: $699.95
Our Price:  $536.39 
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Bushmaster Upper, Optics Ready Carbine, 223 Rem/556NATO, 16" Barrel, 1:9 Twist, Flat Top Receiver, Black Finish Manufacturer: Bushmaster
Manufacturer Part #: 92194
MSRP: $599.00
Our Price:  $437.21 
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Bushmaster Upper, Predator, 223 Rem/556NATO, 20 Fluted Barrel, Flat Top, Black Finish 92450 Chiappa Firearms Upper, M4-22 Gen II Pro, 22LR, 16 Heavy Barrel, 7.8 Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 10Rd 500-094 CMMG AR Conversion Kit, 22LR, Stainless Steel Bolt Group, 3 Magazines, 10Rd 22BA6AE
Bushmaster Upper, Predator, 223 Rem/556NATO, 20" Fluted Barrel, Flat Top, Black Finish Manufacturer: Bushmaster
Manufacturer Part #: 92450
MSRP: $739.00
Our Price:  $566.30 
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Chiappa Firearms Upper, M4-22 Gen II Pro, 22LR, 16" Heavy Barrel, 7.8" Forend, 8 Position Picatinny Rail, 2 Magazines, Black, 10Rd Manufacturer: Chiappa Firearms
Manufacturer Part #: 500-094
MSRP: $339.00
Our Price:  $269.02 
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CMMG AR Conversion Kit, 22LR, Stainless Steel Bolt Group, 3 Magazines, 10Rd Manufacturer: CMMG
Manufacturer Part #: 22BA6AE
MSRP: $229.95
Our Price:  $174.42 
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CMMG Conversion Kit, Bravo, Fits AR Rifles, 22LR, 10Rd 22BA62F CMMG MK3 3GR Upper, 308 Win, 18 Stainless Barrel, Stainless Finish 38BCCE5 CMMG Mk3 Complete Upper, 308 Win, 18 Stainless Steel Heavy Taper Barrel, RKM15 KeyMod Handguard, Black Finish, Mk3 Bolt Carrier Group 38BCC38
CMMG Conversion Kit, Bravo, Fits AR Rifles, 22LR, 10Rd Manufacturer: CMMG
Manufacturer Part #: 22BA62F
MSRP: $199.95
Our Price:  $152.87 
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CMMG MK3 3GR Upper, 308 Win, 18" Stainless Barrel, Stainless Finish Manufacturer: CMMG
Manufacturer Part #: 38BCCE5
MSRP: $1099.95
Our Price:  $888.06 
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CMMG Mk3 Complete Upper, 308 Win, 18" Stainless Steel Heavy Taper Barrel, RKM15 KeyMod Handguard, Black Finish, Mk3 Bolt Carrier Group Manufacturer: CMMG
Manufacturer Part #: 38BCC38
MSRP: $999.95
Our Price:  $817.65 
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CMMG Mk3 Stripped 308 Upper Receiver, Black Finish 38BA157 CMMG Mk4 DTR, AR Upper, 224 Valkyrie, 24 Barrel, Black Finish, RML14 MLOK Handguard, 1:7 Twist, Flat Top Upper 25BB257 CMMG MK4T Upper, 300 AAC Blackout, 16 Barrel, Fits AR, Flat Top Receiver, A2 Flash Hider, CMMG RKM11 KeyMod Handguard, Black Finish 30B129A
CMMG Mk3 Stripped 308 Upper Receiver, Black Finish Manufacturer: CMMG
Manufacturer Part #: 38BA157
MSRP: $274.95
Our Price:  $217.33 
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CMMG Mk4 DTR, AR Upper, 224 Valkyrie, 24" Barrel, Black Finish, RML14 MLOK Handguard, 1:7 Twist, Flat Top Upper Manufacturer: CMMG
Manufacturer Part #: 25BB257
MSRP: $899.95
Our Price:  $772.23 
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CMMG MK4T Upper, 300 AAC Blackout, 16" Barrel, Fits AR, Flat Top Receiver, A2 Flash Hider, CMMG RKM11 KeyMod Handguard, Black Finish Manufacturer: CMMG
Manufacturer Part #: 30B129A
MSRP: $629.95
Our Price:  $545.10 
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CMMG MK4T Upper, 300 AAC Blackout, 16 Stainless Barrel, Fits AR, Flat Top Receiver, A2 Flash Hider, CMMG RKM11 KeyMod Handguard, Black 30BC353 CMMG Target Upper, 22LR, 16 Barrel, 1:16 Twist, Flat Top KeyMod Free Float Handguard, Flat Top Receiver, Black Finish, No Magazines Included 22B7CA4 CMMG Upper Receiver, 223 Rem/556NATO, 16 WASP Treated Barrel, 1:9 Twist, Flat Top Receiver,  A2 Front Sight, Black Finish 55BE1F0
CMMG MK4T Upper, 300 AAC Blackout, 16" Stainless Barrel, Fits AR, Flat Top Receiver, A2 Flash Hider, CMMG RKM11 KeyMod Handguard, Black Manufacturer: CMMG
Manufacturer Part #: 30BC353
MSRP: $679.95
Our Price:  $567.81 
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CMMG Target Upper, 22LR, 16" Barrel, 1:16 Twist, Flat Top KeyMod Free Float Handguard, Flat Top Receiver, Black Finish, No Magazines Included Manufacturer: CMMG
Manufacturer Part #: 22B7CA4
MSRP: $529.95
Our Price:  $454.25 
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CMMG Upper Receiver, 223 Rem/556NATO, 16" WASP Treated Barrel, 1:9 Twist, Flat Top Receiver, A2 Front Sight, Black Finish Manufacturer: CMMG
Manufacturer Part #: 55BE1F0
MSRP: $609.95
Our Price:  $506.49 
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CMMG Upper Receiver, 556NATO, Fits AR, Flat Top Sights, Forward Assist and Ejection Door Installed, Black Finish 55BA22C CMMG Upper, 9MM, 16 Barrel, Flat Top, A2 Front Sights, Black Finish 90B1AA2 Colt's Manufacturing Upper Receiver, 223 Rem/556NATO, 16 M4 Barrel, Black Finish, A2 Flash Hider, Four Rail Handguard LE6940CK
CMMG Upper Receiver, 556NATO, Fits AR, Flat Top Sights, Forward Assist and Ejection Door Installed, Black Finish Manufacturer: CMMG
Manufacturer Part #: 55BA22C
MSRP: $129.95
Our Price:  $106.37 
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CMMG Upper, 9MM, 16" Barrel, Flat Top, A2 Front Sights, Black Finish Manufacturer: CMMG
Manufacturer Part #: 90B1AA2
MSRP: $679.95
Our Price:  $579.17 
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Colt's Manufacturing Upper Receiver, 223 Rem/556NATO, 16" M4 Barrel, Black Finish, A2 Flash Hider, Four Rail Handguard Manufacturer: Colt's Manufacturing
Manufacturer Part #: LE6940CK
MSRP: $1099.00
Our Price:  $998.23 
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Colt's Manufacturing Upper Receiver, 223 Rem/556NATO, 16.1 M4 Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight LE6920CK Colt's Manufacturing Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps SP63528 CZ 75 Kadet Adapter II Conversion Kit, 22LR, 4.7 Barrel, For CZ75/CZ85, Adjustable Sights, Black Finish, 10Rd, 2 Magazines 01610
Colt's Manufacturing Upper Receiver, 223 Rem/556NATO, 16.1" M4 Barrel, Black Finish, A2 Fixed Front Sight, Magpul BUIS Rear Sight Manufacturer: Colt's Manufacturing
Manufacturer Part #: LE6920CK
MSRP: $749.00
Our Price:  $680.25 
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Colt's Manufacturing Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps Manufacturer: Colt's Manufacturing
Manufacturer Part #: SP63528
MSRP: $179.99
Our Price:  $144.76 
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CZ 75 Kadet Adapter II Conversion Kit, 22LR, 4.7" Barrel, For CZ75/CZ85, Adjustable Sights, Black Finish, 10Rd, 2 Magazines Manufacturer: CZ
Manufacturer Part #: 01610
MSRP: $431.10
Our Price:  $398.70 
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Displaying 31 to 60 (of 181 products)
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