Uppers

Shop precision-engineered upper receivers for rifles, designed for accuracy, reliability, and custom builds.
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Picture of Aero Precision M4E1 AR15 Complete Upper, 223 Remington/556NATO, 16" Barrel, 1:7 Twist, ATLAS S-ONE Handguard, Mid Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700305M7

Aero Precision M4E1 AR15 Complete Upper, 223 Remington/556NATO, 16" Barrel, 1:7 Twist, ATLAS S-ONE Handguard, Mid Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700305M7

$655.00 $555.77
Picture of Aero Precision M4E1-T, AR15 Complete Upper, 300 Blackout, 8" Barrel, 1:7 Twist, Pistol Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700701M1

Aero Precision M4E1-T, AR15 Complete Upper, 300 Blackout, 8" Barrel, 1:7 Twist, Pistol Length Gas System, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700701M1

$595.00 $504.87
Picture of Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 10.5" Barrel, 1:7 Twist, Carbine Gas System, ATLAS R-ONE 9" M-LOK Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700702M2

Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 10.5" Barrel, 1:7 Twist, Carbine Gas System, ATLAS R-ONE 9" M-LOK Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700702M2

$595.00 $504.87
Picture of Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 14.5" Barrel, 1:7 Twist, Mid Length Gas System, ATLAS R-ONE 12.7" M-LOK Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700704M5

Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 14.5" Barrel, 1:7 Twist, Mid Length Gas System, ATLAS R-ONE 12.7" M-LOK Handguard, Anodized Finish, Black, Does Not Include BCG or Charging Handle APAR700704M5

$640.00 $543.05
Picture of Aero 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

Aero 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

$635.00 $538.81
Picture of Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 14.5" Barrel, 1:7 Twist, Mid Length Gas System, ATLAS R-ONE 12.7" M-LOK Handguard, Cerakote Finish, Flat Dark Earth, Does Not Include BCG or Charging Handle APAR700714M5

Aero Precision M4E1-T, AR15 Complete Upper, 223 Remington/556NATO, 14.5" Barrel, 1:7 Twist, Mid Length Gas System, ATLAS R-ONE 12.7" M-LOK Handguard, Cerakote Finish, Flat Dark Earth, Does Not Include BCG or Charging Handle APAR700714M5

$680.00 $576.99
Picture of Radical Firearms Complete Upper Assembly, 223 Rem/556NATO, 16" Barrel, 1:7 Twist, Black, MLOK Handguard, A2 Flash Hider RF00325

Radical Firearms Complete Upper Assembly, 223 Rem/556NATO, 16" Barrel, 1:7 Twist, Black, MLOK Handguard, A2 Flash Hider RF00325

$474.95 $275.93
TRENDING Picture of Radical Firearms Complete Upper Assembly, 300 Blackout, 16" Barrel, 1:8 Twist, Black, MLOK Handguard, A2 Flash Hider RF00375

Radical Firearms Complete Upper Assembly, 300 Blackout, 16" Barrel, 1:8 Twist, Black, MLOK Handguard, A2 Flash Hider RF00375

$474.95 $304.56
Picture of Radical Firearms Complete Upper Assembly, 7.62X39, 16" Barrel, 1:10 Twist, Black, MLOK Handguard, A2 Flash Hider RF00397

Radical Firearms Complete Upper Assembly, 7.62X39, 16" Barrel, 1:10 Twist, Black, MLOK Handguard, A2 Flash Hider RF00397

$474.95 $419.65
Picture of Radical Firearms Complete Upper Assembly, 6.5 Grendel, 16" Barrel, 1:9 Twist, Black, MLOK Handguard, BMD Brake RF00421

Radical Firearms Complete Upper Assembly, 6.5 Grendel, 16" Barrel, 1:9 Twist, Black, MLOK Handguard, BMD Brake RF00421

$669.95 $609.25
Picture of Rock River Arms Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

Rock River Arms Tactical Carbine, Complete Upper Receiver, 350 Legend, 16" Barrel, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 10 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 350L0328

$740.00 $674.73
Picture of Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592

Rock River Arms Tactical Carbine, Complete Upper Receiver, 450 Bushmaster, 16" Barrel, Mid-Length Gas System, RRA Operator Muzzle Brake, RRA 13" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, 5 Rounds, 1 Magazine, Includes Bolt Carrier Group and Charging Handle Assembly 450B0592

$750.00 $670.13
Picture of Rock River Arms Tactical Carbine, Complete Upper Receiver, 458 Socom, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly SOC0564

Rock River Arms Tactical Carbine, Complete Upper Receiver, 458 Socom, 16" Barrel, RRA Operator Muzzle Brake, RRA 15" Free Float M-LOK Handguard, Anodized Finish, Black, Fits AR-15, Includes Bolt Carrier Group and Charging Handle Assembly SOC0564

$790.00 $721.88
Free Shipping! Picture of Radian Weapons Complete Upper, 223 Wylde, 17.5" Barrel, 1:8 Twist, Dead Air KeyMo Flash Hider, Intermediate Length Gas, 17" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Black, Fits AR-15 R0026

Radian Weapons Complete Upper, 223 Wylde, 17.5" Barrel, 1:8 Twist, Dead Air KeyMo Flash Hider, Intermediate Length Gas, 17" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Black, Fits AR-15 R0026

$2,069.95 See Price in Cart
Picture of Radian Weapons Model 1 Upper & Handguard Set 17" R0192

Radian Weapons Model 1 Upper & Handguard Set 17" R0192

$999.95 See Price in Cart
Picture of Radian Weapons Complete Upper, 300 Blackout, 9" Barrel, 1:5 Twist, Dead Air KeyMo Flash Hider, Pistol Length Gas, 8" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Gray, Fits AR-15 R0443

Radian Weapons Complete Upper, 300 Blackout, 9" Barrel, 1:5 Twist, Dead Air KeyMo Flash Hider, Pistol Length Gas, 8" MLOK Handguard, Radian Raptor-SD Charging Handle, Radian Enhanced Bolt Carrier Group, Cerakote Finish, Gray, Fits AR-15 R0443

$1,829.95
Picture of FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | 1913 Picatinny Rail-Interface System MCR-060

FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | 1913 Picatinny Rail-Interface System MCR-060

$6,399.99 $5,657.48
Picture of FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | M-LOK Rail-Interface System MCR-060M

FightLite MCR DUAL-FEED AR-15 Upper Assembly - Black | 5.56 NATO | 16.25” Quick-Change Barrel | Accepts AR-15 Magazines & M27 Linked Ammo | M-LOK Rail-Interface System MCR-060M

$6,399.99 $5,657.48
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