Tungsten Grey 7.5" 5.56 KeyMod unassembled upper build kit — Daytona Tactical
Tungsten Grey 7.5" 5.56 KeyMod unassembled upper build kit — Daytona Tactical

7.5″ AR-15 5.56 Pistol Upper Build Kit — Tungsten Grey KeyMod, Unassembled

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$199.95

Daytona Tactical’s 7.5″ 5.56 NATO unassembled AR pistol upper build kit in Tungsten Grey Cerakote includes a 4150 phosphate barrel, 7″ free-float KeyMod handguard, gas block, and gas tube. BCG and charging handle sold separately.

SKU: DT12-202 Tags: , , Brand:

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FAILZERO FZM164 01 NH NICKEL BORON BOLT CARRIER GROUP
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Product price: $199.95
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7.5″ 5.56 NATO AR Pistol Upper Build Kit — Tungsten Grey Free-Float KeyMod, Unassembled

This unassembled 7.5″ 5.56 NATO AR pistol upper build kit puts Tungsten Grey Cerakote on the mil-spec 7075-T6 upper receiver and 7″ free-float KeyMod handguard, paired with a 4150 phosphate M4-contour barrel at 1:7 twist on a pistol-length gas system threaded 1/2″x28. A pinned gas block, stainless gas tube, A2 flash hider, dust cover, and forward assist are all in the box — just add a BCG and charging handle to finish the build. Check out the Tungsten Grey M-LOK version if you’d rather run a different rail style, or browse more AR pistol upper build kits.

Specifications:

  • Caliber: 5.56 NATO
  • Barrel: 7.5″, 4150 steel, M4 contour, phosphate finish, 1:7 twist, 1/2″x28 thread, pistol-length gas
  • Upper receiver: Mil-spec 7075-T6 aluminum, Tungsten Grey Cerakote
  • Handguard: 7″ free-float KeyMod, Tungsten Grey Cerakote
  • SKU: DT12-202

What’s included:

  • Stripped upper receiver (7075-T6, Tungsten Grey Cerakote)
  • 7.5″ 4150 steel barrel (phosphate, M4 contour, 1:7 twist)
  • 7″ free-float KeyMod handguard with barrel nut and mounting hardware
  • Pinned low-profile gas block
  • Stainless steel gas tube
  • A2 flash hider
  • Dust cover and forward assist

Note: BCG and charging handle are not included and are available as an add-on.

Weight 5 lbs

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What’s included in this kit?
The Tungsten Grey Cerakote receiver, barrel, KeyMod handguard, gas block, gas tube, flash hider, dust cover, and forward assist.

Does this include a BCG and charging handle?
No, both are sold separately and available as add-ons.

Is the gas system complete?
Yes — the pinned low-profile gas block and stainless gas tube are both included.

What caliber is this kit?
5.56 NATO.

What’s the barrel twist rate?
1:7, ideal for heavier 5.56/.223 bullet weights.

Is there an M-LOK version?
Yes, see the linked Tungsten Grey M-LOK version above.