Mk12 Spr 18” 5.56mm Nato 1-7 12” Ddm4 Rail Upper

Cartridge : AKK_5.56 mm NATO
Color : Black
Finish : Anodized
Length : 18”
Make : AR-15
Make/Model : AR-15
Style : Complete
Twist : 1-7

Mk16 11.5” Super Duty Upper Chf Bbl, Ach, Nano Fh/bcg Blk

Cartridge : AKK_5.56 x 45
Color : Black
Contour : Carbine
Finish : Anodized
Length : 11.5”
Make : AR-15
Make/Model : AR-15
Style : Complete
Twist : 1-7

Mk16 11.5” Urgi Upper Chf Barrel, Ach, Rebcg 5.56mm Ddc

Cartridge : AKK_5.56 mm NATO
Color : DDC
Contour : Government
Finish : Anodized
Length : 11.5”
Make : AR-15
Make/Model : AR-15
Style : Complete
Twist : 1-7

Mk16 14.5” Super Duty Upper Chf Bbl, Ach, Nano Fh/bcg Odg

Cartridge : AKK_5.56 mm NATO
Color : O.D. Green
Contour : Geissele
Finish : Anodized
Length : 14.5”
Make : AR-15
Make/Model : AR-15
Style : Complete
Twist : 1-7

Mk18 10.3” Upper Receiver 5.56 1-7 Govt Black

Cartridge : AKK_5.56 mm NATO
Color : Black
Contour : Government
Finish : Anodized
Length : 10.3”
Style : Complete
Twist : 1-7

Mk216 Mod 1-m Upper Receiver 16.1 Barrel .308 Win

Cartridge : CTT_308 Winchester
Finish : Anodized
Length : 16.1”
Make : AR-15
Make/Model : AR-15
Twist : 1-10