Blue Titanium 16″ Unassembled Upper Build Kit – 12″ M-lok

$204.95

16″ 5.56 NATO unassembled rifle upper build kit with Blue Titanium Cerakote receiver and 12″ free-floating M-LOK handguard. Includes 4150 phosphate barrel, 1:7 twist, carbine-length gas system, A2 flash hider, and all mil-spec hardware. BCG and charging handle available as add-on options. SKU DT11-219.

ADD BOLT CARRIER GROUP

Standard m16 nitride bolt carrier group
(+$59.95)BLACK NITRIDE BOLT CARRIER GROUP

M-16 NITRIDE BCG .223 / 5.56 / .300 BLACKOUT

NICKEL BORON M16 BOLT CARRIER GROUP
(+$169.99)NICKEL BORON BOLT CARRIER GROUP

M16 NICKEL BORON BOLT CARRIER GROUP

TITANIUM NITRIDE BCG
(+$99.95)M-16 TITANIUM NITRIDE BCG

M16 TITANIUM NITRIDE BCG

Anderson Full Auto Cut 5.56 Bolt Carrier Group Upgrade Add to Rifle and Pistol Kits and Upper Build Assemblies
(+$114.69)ANDERSON NITRIDE BOLT CARRIER GROUP WITH PUNISHER LOGO

ANDERSON BLACK NITRIDE BCG WITH PUNISHER LOGO

ANDERSON A001 NITRIDE BCG
(+$114.69)ANDERSON AM-15 M16 BOLT CARRIER GROUP WITH LOGO

ANDERSON M-16 BCG WITH LASER ENGRAVED LOGO

Aero Precision 5.56 Nickle Boron BCG Upgrade From Standard Bolt Carrier Group
(+$179.99)AERO PRECISION NICKEL BORON M16 BCG

NICKEL BORON COATED AERO PRECISION BOLT CARRIER GROUP

FAILZERO FZM164 01 NH NICKEL BORON BOLT CARRIER GROUP
(+$169.99)FAILZERO NICKEL BORON BOLT CARRIER GROUP

NICKEL BORON COATED FAILZERO BCG 5.56

ar15 CHROME PREMIERE bolt carrier group
(+$89.95)PREMIERE MANUFACTURING CHROME M16 BOLT CARRIER GROUP

PREMIERE MANUFACTURING CHROME M-16 BCG

ADD CHARGING HANDLE

AR15 MILL Charging
(+$17.95)ADD STANDARD AR CHARGING HANDLE

STANDARD MIL SPEC CHARGING HANDLE

Geissele Super Charging Handle SCH ambidextrous AR-15 black
(+$105.00)GEISSELLE SUPER CHARGING HANDLE FOR AR-15

GEISSELLE SUPER CHARGING HANDLE

Geissele Airborne Charging Handle ACH ambidextrous AR-15 black
(+$104.95)GEISSELE AIRBORNE AR-15 CHARGING HANDLE

GEISSELE AIRBORNE AR-15 CHARGING HANDLE

Radian Weapons Raptor-SL ambidextrous charging handle 5.56 NATO black
(+$85.45)RADIAN RAPTOR SL AR-15 / M16 CHARGING HANDLE

RADIAN RAPTOR SL CHARGING HANDLE

Radian Weapons Raptor-LT ambidextrous charging handle AR-15 black
(+$71.20)RADIAN RAPTOR LT M16 / AR15 AMBIDEXTROUS CHARGING HANDLE

RADIAN RAPTOR LT CHARGING HANDLE

Fortis Hammer ambidextrous charging handle AR-15 5.56 burnt bronze
(+$69.95)FORTIS AR-15 HAMMER CHARGING HANDLE

FORTIS AR-15 HAMMER CHARGING HANDLE

Seekins Precision DNA .223 5.56 charging handle AR-15 black
(+$69.95)SEEKINS DNA AMBIDEXTROUS CHARGING HANDLE AR-15

SEEKINS DNA CHARGING HANDLE

Product price: $204.95
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Blue Titanium 16″ Unassembled Upper Build Kit – 12″ M-lok

This 16″ 5.56 NATO unassembled AR rifle upper build kit pairs a 4150 CMV barrel with a 12″ M-LOK free-float handguard on a carbine-length gas system, finished in Blue Titanium Cerakote. The barrel runs a 1:7 RH twist with a manganese phosphate finish, 1/2×28 muzzle thread, and a .750″ gas block journal. Prefer Keymod instead? See the matching Blue Titanium kit with 12″ Keymod handguard, or browse more AR-15 upper build kits in this lineup.

Specifications:

  • Caliber: 5.56 NATO / .223 Wylde compatible
  • Barrel: 16″, 4150 CMV, manganese phosphate finish, M4 contour, 1:7 RH twist, 1/2×28 TPI, .750″ gas block journal, carbine-length gas
  • Upper receiver: Forged 7075-T6, M4 feed ramps, Blue Titanium Cerakote
  • Handguard: 12″ M-LOK free-float, 6061-T6 aluminum, Blue Titanium Cerakote
  • SKU: DT11-219
  • Upper receiver
  • 16″ barrel
  • Handguard with barrel nut and mounting screws
  • Forward assist assembly
  • Gas block with pin

What’s included:

  • Dust cover assembly

Note: A2 flash hider with crush washer

Weight 5 lbs

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Frequently Asked Questions

What’s the difference between this and the Blue Titanium KeyMod rifle upper?

The barrel, gas system, upper receiver, and Blue Titanium Cerakote finish are identical. The only difference is the handguard: this kit uses a 12″ M-LOK handguard; the KeyMod version uses a 12″ KeyMod handguard. M-LOK has broader accessory availability across manufacturers. If you already run KeyMod accessories, go with the KeyMod kit instead.

What’s included and what’s not?

Included: Blue Titanium Cerakote stripped upper receiver, 16″ barrel, 12″ M-LOK handguard, carbine-length gas system, A2 flash hider with crush washer, dust cover with door hardware, mil-spec forward assist, low-profile gas block, and stainless steel gas tube. Not included: bolt carrier group (BCG) and charging handle — both available as add-on options on this product page.

What lower receiver does this fit?

Any standard mil-spec AR-15 lower. The upper uses mil-spec 7075-T6 aluminum with standard M4 feed ramps and threading.

What gas system length does this use?

Carbine-length — standard for 5.56 NATO on a 16″ barrel.

Can I swap out the A2 flash hider?

Yes. The barrel is threaded 1/2″×28. Unthread the A2 and install any compatible 1/2″×28 muzzle device — suppressor mount, compensator, or brake.