Daniel Defense M4A1 Upper Receiver, 223 Rem/556NATO, 14.5 Barrel (16 OAL with Pinned Brake), Carbine Length Gas System, 1:7 Twist, M4 12.0 Rail, Flat Dark Earth Finish, Fits AR 23-004-13150
Daniel Defense
M4A1
.223 Remington / 5.56 mm NATO
MPN : 23-004-13150
Primary Weapons Systems MK109 MOD 1-M, Upper Receiver, Fits AR-15, 300 Blackout, 9.75 Barrel, 1:8 Twist, PWS Triad Muzzle Device, 8.9 PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M1U-300BL
Primary Weapons Systems
MK109
.300 AAC Blackout
MPN : MK1-M1U-300BLK-9
Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, 762x39, 16.1 Barrel, Triad30 Muzzle Device, Anodized Finish, Black, Radian Raptor Charging Handle, MLOK Handguard, Fits AR-15 MK1-M2U-762X39-16
Primary Weapons Systems
MK116
7.63 mm x 39 mm
MPN : MK1-M2U-762X39-16
Primary Weapons Systems MMK116 MOD 1-M, Upper Receiver, 762X39, 16.1 Barrel, Triad30 Muzzle Device, Anodized Finish, Black, Radian Raptor Charging Handle, MLOK Handguard, Fits AR-15 MK1-M1U-762X39-16
Primary Weapons Systems
MK116
7.63 mm x 39 mm
MPN : MK1-M1U-762X39-16
Primary Weapons Systems MK116 MOD 2-M, Upper Receiver, Fits AR-15, 223 Wylde, 16.1 Barrel, 1:8 Twist, FSC 556 Muzzle Device, 15 PWS PicLok MLOK Handguard, Anodized Finish, Black, Includes Radian Raptor Ambidextrous Charging Handle MK1-M2U-223-16
Primary Weapons Systems
MK116
.223 Wylde
MPN : MK1-M2U-223-16
Primary Weapons Systems MK111 Mod-1M Upper, Fits AR15, 223 Wylde, 11.85 Barrel, Black Color, Anodized Finish, PWS M-lok 6.9 Handguard MK1-M1U-223-11
Primary Weapons Systems
MK1
.223 Wylde
MPN : MK1-M1U-223-11
KAK Industry AR-15 Upper Completion Kit, Phosphate Finish, Black KAR-KT-18
KAK Industry
AR-15 Upper Completion Kit
MPN : AR-KT-18
Battle Arms Development WORKHORSE, Upper Receiver Assembly, 223 Remington/556NATO, 16 Barrel, Mid-length Gas System, Anodized Finish, Black, A2 Flash Hider, WORKHORSE 15 M-LOK Free Float Handguard, Does Not Include Bolt Carrier Group or Charging Hand
Battle Arms
Workhorse
.223 Remington / 5.56 mm NATO
MPN : WH-UR-16-223
UPPER MK18 5.56MM RIS II FDE 23-004-08013-011
Daniel Defense
MK18 URG
.223 Remington / 5.56 mm NATO
MPN : 23-004-08013-01
DDM4 V7 S URG 5.56MM 11.5 23-128-00275-047
Daniel Defense
DDM4 V7 S URG
5.56 x 45 mm NATO
MPN : 23-128-00275-04
Information