

16″ Unassembled Upper Build Kit – 15″ Keymod
$194.95
Daytona Tactical’s 16″ AR-15 unassembled upper build kit pairs a 5.56 NATO/.223 barrel with a 15″ free-float KeyMod handguard. Ships as a stripped upper, barrel, and handguard assembly; BCG, charging handle, and muzzle device sold separately.
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16″ Unassembled Upper Build Kit – 15″ Keymod
This 16″ AR-15 unassembled upper build kit runs 5.56 NATO/.223 and pairs the barrel with a 15″ KeyMod free-float handguard for a lightweight, accessory-ready custom build. It ships as a stripped upper receiver, barrel, and handguard so you add your own BCG, charging handle, and muzzle device. Finish it off with a .223/5.56 muzzle brake, and see more AR-15 upper build kits in this lineup.
Specifications:
- Caliber: 5.56 NATO / .223 Remington compatible
- Barrel length: 16″
- Handguard: 15″ KeyMod free-float
- Compatibility: Fits most mil-spec AR-15 lowers
- SKU: DT11-205
What’s included:
- Stripped upper receiver with forward assist and dust cover assembly
- 16″ barrel
- Gas tube and gas block
- 15″ KeyMod handguard with barrel nut and mounting hardware
Note: BCG, charging handle, and muzzle device not included, available as add-ons. Ships unassembled.
| Weight | 5 lbs |
|---|
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Does this kit include a BCG or charging handle?
No — this is a stripped upper build kit, so the BCG, charging handle, and muzzle device are sold separately.
What handguard comes with it?
It ships with a 15″ free-float KeyMod handguard, including the barrel nut and mounting hardware.
Is this a complete, ready-to-fire upper?
No, it ships unassembled so you build and torque every component yourself.
Will this fit my AR-15 lower?
Yes, it’s mil-spec dimensioned and fits standard AR-15 lower receivers with normal takedown pins.
What caliber is this barrel chambered in?
It’s chambered in 5.56 NATO, which also safely runs .223 Remington ammunition.
What’s the benefit of the free-float handguard?
A free-float design keeps the handguard from contacting the barrel, which improves accuracy by not transferring pressure from your grip or accessories into barrel harmonics.




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