Aero M4E1-T Upper 300BLK 8 Fde
$615.59Aero Precision M4E1-T, AR15 Complete Upper, 300 Blackout, 8″ Barrel, 1:7 Twist, Pistol Length Gas System, Cerakote Finish, Flat Dark Earth, Does Not Include BCG or Charging Handle APAR700711M1
Upper Receivers & Conversion Kits
Showing 1–16 of 30 results
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Aero Precision M4E1T Complete Upper 8 Barrel 300BLK
$577.79AERO PRECISION M4E1T COMPLETE UPPER 8″ BARREL 300BLK
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Ballistic Bbl 300BLK 105 Drp
$105.81Ballistic Advantage Modern Series, Distinct Rigid Pattern Barrel, 300 Blackout, 10.5″, 1:7 Twist, 5/8X24 Threads, 4150 CrMoV, QPQ Corrosion Resistant Finish, Black BABL300008M
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Ballistic Bbl 300BLK 145 Modern
$128.48Ballistic Advantage 0Modern Series, Barrel, 300 Blackout, 14.5″, Pistol Length Gas System, Fits AR15, QPQ Corrosion Resistant Finish, Black BABL300009M
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Ballistic Bbl 300BLK 9 Rigid 1/7
$105.09Ballistic Advantage Modern Distinct Rigid Pattern Barrel, 300 Blackout, 9″, 1:7 Twist BABL300004M
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Dbb Bbl 300 Blk 105 Pstl Blk
$78.84Diamondback Barrels Medium Profile Barrel, 300 AAC Blackout, 10.5″, 1:8 Twist, 5/8″x24 Thread Pitch, Pistol Length Gas System, Nitride Finish, Black 300P105M50B8
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Faxon Match Bbl 300BLK 6 Gnnr
$183.82Faxon Firearms Match Series, 1:5 Twist Barrel, 300 Blackout, 6″, Pistol Length Gas System, Fits AR15, Nitride Finish, Black 15B35P6NGQ-5R-NP3
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Lantac 115 300 Blackout Barrel Blk
$262.43LanTac USA LLC Raven, 300 Blackout, 11.5″ Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00239
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Lantac 145 300 Blackout Barrel Blk
$281.87LanTac USA LLC Raven, 300 Blackout, 14.5″ Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00241
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Lantac 16 300 Blackout Barrel Blk
$291.59LanTac USA LLC Raven, 300 Blackout, 16″ Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00242
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Lantac 75 300BLK Barrel Blk
$252.71LanTac USA LLC Raven, 300 Blackout, 7.5″ Barrel, Fits AR-15, Anodized Finish, 1:8 Twist, 5/8-24 Threads, Pistol Length Gas System, Black LA00238
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Lantac Patrol Upper 300 Bo 145
$1,269.53LanTac USA LLC SF 15 Patrol, Complete Upper Receiver, 300 Blackout, 14.5″ Barrel, Fits AR-15, Anodized Finish, Black 01-FA-300-PATROL-UPR
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Lantac Ppd Upper 300 Blackout 75
$1,209.59LanTac USA LLC PDP, Complete Upper Receiver, 300 Blackout, 7.5″ Barrel, Fits AR-15, Anodized Finish, Black 01-FA-300-PDP-UPR
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Lantac Recon Upper 300 Bo 16
$1,286.27LanTac USA LLC SF15 Recon, Complete Upper Receiver, 300 Blackout, 16″ Barrel, Fits AR15, Anodized Finish, Black 01-FA-300-RECON-UPR
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Lantac Utp Upper 300 Bo 115 Blk
$1,252.79LanTac USA LLC Urban Tactical, Complete Upper Receiver, 300 Blackout, 11.5″ Barrel, Fits AR-15, Anodized Finish, Black 01-FA-300-UTP-UPR
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Maxim Pdx Upper 300BLK 55 Arid
$1,258.74Maxim Defense Industries PDX, Complete Upper, 300 Blackout, 5.5″ Barrel, Flat Dark Earth Finish MXM-47826