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Upper Receivers/Conv Kits

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  • RADIAN UPPER/HANDGUARD SET 8.5
    RADIAN UPPER/HANDGUARD SET 8.5" ODG
    The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust cover, hand guard anti-rotation pin, light weigh..
    $1,214.21
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  • RADICAL UPPR 300BLK 16
    RADICAL UPPR 300BLK 16" 1-8 MLOK BLK
    The Radical Firearms 300 Blackout upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.Features: • Free ..
    $702.73
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  • RADICAL UPPR 556 16
    RADICAL UPPR 556 16" 1-7 MLOK BLK
    The Radical Firearms 5.56mm upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.Features: • Free float ..
    $702.73
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  • RADICAL UPPR 6.5GRNDL 16
    RADICAL UPPR 6.5GRNDL 16" 1-9 MLOK
    The Radical Firearms 6.5 Grendel upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.Features: • Free float rail system• Forged 7075 T6 Aluminum• Type III Anodizing..
    $1,048.76
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  • RADICAL UPPR 762X39 16
    RADICAL UPPR 762X39 16" 1-10 MLOK BL
    The Radical Firearms 7.62X39 upper is perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.Features: • Free float rail system• Forged 7075 T6 Aluminum• Type III Anodizing..
    $702.73
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  • RRA CMP COYOTE CAR A4 UPR 300BLK 16
    RRA CMP COYOTE CAR A4 UPR 300BLK 16"
    Rock River Arms A4 Coyote Carbine upper comes chambered in .300 AAC / Blackout with a 16" chrome moly 1/8twist barrel. Additionally this upper includes a RRA 12.5" M-Lok compatible lightweight free float rail and a Smith Vortex flash hider (5/8-24 thread). This is a complete upper with bolt carrier ..
    $1,255.35
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  • RRA CMPLT CAR A4 UPR 350LGD 16
    RRA CMPLT CAR A4 UPR 350LGD 16" 10RD
    Rock River Arms A4 Carbine upper comes chambered in .350 Legend with a 16" chrome moly 1/16 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (1/2-36 thread). This is a complete upper with bolt carrier group, charging handl..
    $1,130.96
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  • RRA CMPLT CAR A4 UPR 458 SOCOM 16
    RRA CMPLT CAR A4 UPR 458 SOCOM 16"
    Rock River Arms complete Tactical Carbine upper is an A4 upper chambered in .458 SOCOM with a 16" chrome moly bull barrel and 1:14 twist. Additionally the upper comes with a complete bolt carrier group, charging handle assembly, 15" RRA lightweight M-Lok compatible free float rail and a RRA Operator..
    $1,210.11
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  • RRA CMPLT MID A4 UPR 450BM 16
    RRA CMPLT MID A4 UPR 450BM 16" 5RD
    Rock River Arms A4 mid-length upper comes chambered in .450 Bushmaster with a 16" chrome moly 1/24 twist barrel. Additionally this upper includes a RRA 13" M-Lok compatible lightweight free float rail and a RRA Operator Brake (5/8-32 thread). This is a complete upper with bolt carrier group, chargin..
    $1,153.57
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  • RRA CMPTL RRAGE 3G UPR 5.56NATO 16
    RRA CMPTL RRAGE 3G UPR 5.56NATO 16"
    Rock River Arms RRAGE 3G A4 carbine upper comes chambered in 5.56mm NATO. This extruded aluminum upper receiver comes with a port door and no forward assist. Additionally, this upper is equipped with a RRA 15" RRAGE 3G M-Lok compatible handguard, a 16" chrome moly barrel, A2 flash hider, bolt carrie..
    $825.59
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  • SANTAN PILLAR LT UPPER RECEIVER
    SANTAN PILLAR LT UPPER RECEIVER
    San Tan Tactical PILLAR(R) Truss Pockets For Increased Structural Rigidity. - Cut From A Single Billet Of 7075 -T651 Aerospace Grade Aluminum. - Shell Deflector - Machined In T Markings For Easy Optic Relocation. - Machined With M4 Feed Ramps. - Machined To Mil-Spec Standards. - Interfaces With All ..
    $323.15
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  • SANTAN STT-15 PILLAR UPPER RECEIVER
    SANTAN STT-15 PILLAR UPPER RECEIVER
    The STT PILLAR upper receiver is the lightest billet upper available today! STT wanted to create something better, something different. Being better was not enough -- STT needed to design an upper that overcame the shortcomings seen in the current offerings . It needed to be lighter, stronger, and d..
    $323.15
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