Pistol and SBR Uppers

10.5" 5.56 Upper 1/7 Chrome lined OEM (MK-18 Mod 0)

  TNTE MK-18 CL OEM UpperThis upper has a 10.5" Gov profile barrel with a 1/7 RH military twist rate.  The button rifled barrel is 4150 chrome-moly steel with a mag phosphate finish. We are using 7075-T6 forged M4 feed ramped uppers...

10.3" Upper 1/7 Chrome lined (MK-18 Mod 0)

TNTE MK-18 CL UpperThis upper has a 10.3" Gov profile barrel with a 1/7 RH military twist rate.  The button rifled barrel is 4150 chrome-moly steel with a mag phosphate finish. We are using 7075-T6 forged M4 feed ramped uppers. It's only...

10.5" 5.56 Upper 1/7 Chrome lined (MK-18 Mod 0)

TNTE MK-18 CL UpperThis upper has a 10.5" Gov profile barrel with a 1/7 RH military twist rate.  The button rifled barrel is 4150 chrome-moly steel with a mag phosphate finish. We are using 7075-T6 forged M4 feed ramped uppers. It's only...

10.5" 5.56 Upper 1/7 QPQ (MK-18 Mod 0)

10.5 MK-18 Upper A4 1/7 QPQ  We start with a 5.56 10.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ finish. The upper receiver is T marked and is type 3 hard coat black. This does have M4 ramps...

12.5 5.56 1/7 QPQ SBR Upper

12.5 MK-18 Upper A4 1/7 QPQ We started with a Ballistic Advantage 5.56 12.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ finish. The upper receiver is T marked and is type 3 hard coat black. This does have M4...

M-4 11.5" 5.56 1/7 QPQ

11.5 Upper A4 1/7 QPQ Barrel We started with a 11.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ nitride treatment to the exterior, bore, and chamber. The upper receiver is T marked and is type 3 hard...

11.5 5.56 1/7 Chrome Lined SBR OEM Upper

Want one of the best SBR or Pistol setups in the market today? You found it! These uppers utilize the M4A1 style barrel with M203 flats. Chambered in 5.56 NATO, 1/7 twist, chrome lined chamber and bore. F-Marked front sight base is pinned with taper pins...

10.5" 5.56 M4A1 Upper 1/7 Chrome lined (MK-18 Mod 0)

TNTE MK-18 CL UpperThis upper has a 10.5" M4A1 profile barrel with a 1/7 RH military twist rate.  The button rifled barrel is 4150 chrome-moly steel with a mag phosphate finish. We are using 7075-T6 forged M4 feed ramped uppers. It's only...

M4A1 11.5 5.56 1/7 Chrome Lined SBR Upper

Want one of the best SBR or Pistol setups in the market today? You found it! These uppers utilize the M4A1 style barrel with M203 flats. Chambered in 5.56 NATO, 1/7 twist, chrome lined chamber and bore. F-Marked front sight base is pinned with taper pins...

12.7 5.56 1/7 Lite SBR Upper

12.7 MK-18 Upper A4 1/7 CL We started with our 5.56 12.7" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with phosphate finish. The bore is chrome lined. The upper receiver is T marked and is type 3 hard coat black. This...

M-4 11.5" (16 OAL) XM-177 5.56 1/7 QPQ Upper

11.5 Upper A4 1/7 QPQ Barrel We started with a 11.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ nitride treatment to the exterior, bore, and chamber. The upper receiver is T marked and is type 3 hard...

M-4 11.5" 5.56 1/7 QPQ with MI Drop In Quad Rail

11.5 MK-18 Upper A4 1/7 QPQ MI Quadrail We started with a 5.56 11.5" 1/7 twist barrel for this build. The barrel is made from 4150 machine gun steel with QPQ finish. The upper receiver is T marked and is type 3 hard coat black. This does have M4...