10.5″ AR-15 300 Blackout Pistol Upper Build Kit — KeyMod, Unassembled
Original price was: $249.95.$199.95Current price is: $199.95.
Daytona Tactical’s 10.5″ .300 Blackout AR pistol upper includes a mil-spec black anodized receiver, 10″ free-float KeyMod handguard, and A2 flash hider. Gas parts and BCG sold separately.
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10.5″ .300 Blackout Upper with Free-Float KeyMod — No Gas Parts, BCG, or Charging Handle
This 10.5″ .300 Blackout AR pistol upper gives you a mil-spec Type III hard coat anodized upper receiver, a 10.5″ barrel threaded 5/8″x24 with a pistol-length gas port, and a 10″ free-float KeyMod handguard, plus an A2 flash hider with crush washer. The gas tube, gas block, dust cover, forward assist, BCG, and charging handle aren’t included, so you can source the exact parts you want. Check out the 7.5″ 5.56 NATO version if you’d rather build in 5.56, or browse more AR pistol upper build kits.
Specifications:
- Caliber: .300 AAC Blackout
- Barrel: 10.5″, pistol-length gas port, 5/8″x24 thread
- Upper receiver: Mil-spec aluminum, black Type III hard coat anodized
- Handguard: 10″ free-float KeyMod
- SKU: DT12-204
What’s included:
- Upper receiver (mil-spec anodized)
- 10.5″ .300 Blackout barrel
- 10″ free-float KeyMod handguard with barrel nut and mounting hardware
- A2 flash hider with crush washer
Note: Gas tube, gas block, dust cover, forward assist, BCG, and charging handle are not included and are available as add-ons.
| Weight | 6 lbs |
|---|---|
| Brand | |
| Barrel Chamber | |
| Barrel Length |
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What’s included with this upper?
The upper receiver, 10.5″ barrel, 10″ free-float KeyMod handguard, and A2 flash hider.
Does this include a gas tube and gas block?
No — you’ll need to add a pistol-length gas tube and low-profile gas block to complete the gas system.
Does this include a BCG and charging handle?
No, both are sold separately and available as add-ons.
What caliber is this upper?
.300 AAC Blackout.
Is the receiver finished?
Yes, it’s black Type III hard coat anodized mil-spec aluminum.
Is there a 5.56 option?
Yes, see the linked 7.5″ 5.56 NATO version above.
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