Blue Titanium 10.5" 5.56 M-LOK unassembled pistol upper build kit — Daytona Tactical
Blue Titanium 10.5" 5.56 M-LOK unassembled pistol upper build kit — Daytona Tactical

10.5″ AR-15 5.56 Pistol Upper Build Kit — Blue Titanium M-LOK, Unassembled

OD Green 10.5" 5.56 M-LOK unassembled pistol upper build kit — Daytona Tactical 10.5″ AR-15 5.56 Pistol Upper Build Kit — OD Green M-LOK, Unassembled
Tungsten Grey 10.5" 5.56 M-LOK unassembled pistol upper build kit — Daytona Tactical 10.5″ AR-15 5.56 Pistol Upper Build Kit — Tungsten Grey M-LOK, Unassembled
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$209.95

Unassembled 10.5″ 5.56 NATO AR pistol upper build kit in Blue Titanium Cerakote — 4150 phosphate barrel, 1:7 twist, 10″ M-LOK handguard, carbine-length gas system included. BCG and charging handle sold separately.

SKU: DT12-187

A 10.5″ 5.56 NATO unassembled AR pistol upper build kit with Blue Titanium Cerakote on the mil-spec 7075-T6 receiver and a 10″ free-float M-LOK handguard — 4150 phosphate barrel, 1:7 twist, carbine-length gas system. Pinned gas block, carbine gas tube, A2 flash hider, dust cover, and forward assist included. BCG and charging handle available as add-ons.

Specifications:

  • Caliber: 5.56 NATO
  • Barrel Length: 10.5″
  • Barrel Material: 4150 steel, M4 contour, phosphate finish
  • Twist Rate: 1:7
  • Gas System: Carbine-length
  • Muzzle Thread: 1/2″×28
  • Upper Receiver: Mil-spec 7075-T6 aluminum, Blue Titanium Cerakote
  • Handguard: 10″ free-float M-LOK
  • Finish: Blue Titanium Cerakote over anodized
  • Brand: Daytona Tactical
  • SKU: DT12-187

What’s Included:

  • Stripped upper receiver (7075-T6, Blue Titanium Cerakote)
  • 10.5″ 4150 steel barrel (phosphate, M4 contour, 1:7 twist, threaded 1/2″×28)
  • 10″ free-float M-LOK handguard with barrel nut and mounting hardware
  • Carbine-length gas tube
  • Low-profile pinned gas block
  • A2 flash hider with crush washer
  • Mil-spec dust cover with hardware
  • Mil-spec forward assist with roll pin

Not included: BCG, charging handle (available as add-ons at checkout)

Weight 5 lbs

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Can this kit be used for an SBR build in addition to a pistol build?

Yes. The 10.5″ upper itself is the same whether you’re building a pistol or an SBR — the difference is what lower you attach it to and how the firearm is legally classified. Paired with a pistol lower or a lower with no stock, this is an AR pistol. For an SBR build, you’ll need to complete the NFA Form 1 process and receive your tax stamp before attaching a stock. Always verify applicable regulations in your state before configuring the build.

What’s the benefit of a 10″ handguard on a 10.5″ barrel?

A 10″ free-float handguard clears the gas block cleanly, gives you a consistent grip position, and maximizes usable rail length on a compact platform. Free-float handguards also eliminate barrel contact, which improves consistency shot to shot. On a pistol build designed for close-range use, the more practical benefit is the accessory mounting real estate and the clean ergonomic profile it provides.

What is Blue Titanium Cerakote and how does it hold up?

Blue Titanium is a metallic-toned Cerakote finish — a deeper, slightly cooler hue than standard blue with a titanium-spectrum shimmer. Cerakote is a polymer-ceramic coating that bonds directly to the metal surface, providing corrosion resistance, wear resistance, and UV stability. It holds up under regular use including exposure to oils, solvents, and weather, and does not affect tolerances or function.

What lower parts do I need to complete this pistol build?

You’ll need a complete lower receiver, a pistol brace or compatible buffer tube setup, a lower parts kit, and a buffer and spring sized for a pistol build. The upper receiver mates with any standard mil-spec AR-15 lower. BCG and charging handle need to be sourced separately — they are not included with this kit.