This mil-spec AR 15 Pistol Kit combines a heavy-duty 10.5” barrel with a lightweight, 12” M-Lok handguard to afford shooters with optimal velocity and accuracy in a compact configuration. Included is a completely lower parts kit featuring a polished, enhanced trigger and lower parts kit.
You’ll also receive a 5-position buffer tube with an ergonomic SB Tactical pistol brace to improve shot group placement and reduce felt recoil. All components in the kit feature mil-spec fittings and finishes for a perfect match.
Note: Due to ATF rule 2021R-08F, any pistol with a stabilizing brace is considered a short-barreled rifle (SBR), and is therefore considered a National Firearms Act item requiring a federal tax stamp.
Barrel
- Chamber: 5.56 NATO
- Contour: M4/Government
- Length: 10.5”
- Twist Rate: 1:7
- Gas System: Carbine
- Gas Port: 0.750”
- Muzzle Threads: 1/2x28
- Feed Ramps: M4
- Material: 4150 CMV
- Finish: QPQ Nitride
- Process: Button Rifled
- Lining: QPQ Nitride
- Extension: M4
- Muzzle: Recessed Flash Can
Handguard
- Attachment System: 12" Split-Rail
- M-Lok
- Finish: Type III Hardcoat Anodized (Mil-Spec)
- Top Rail: M1913 Picatinny
- Material: Billet 6061-T6 Aluminum
- Attachment: Barrel Nut
Upper Receiver
- Profile: M4 Flattop
- Material: Forged 7075-T6 Aluminum
- Finish: Type III Hardcoat Anodized (Mil-Spec)
Bolt Carrier Group
- Profile: M16/Full-Auto
- Steel: Carpenter No. 158 (Mil-Spec)
- Exterior: Phosphate Coating
- Interior: Chrome-Lined
- Gas Key: Staked, Chromed
- Charging Handle: Included
Lower Receiver Parts
- Buffer System: Mil-spec, Carbine
- Pistol Brace: SB Tactical SBA3
- Parts Kit: Mil-spec, single-stage
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or "assault weapons" (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
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- CT,NY,NJ,PA,WA
- Twist rate:
- 1/7
- Caliber:
- 5.56
- Barrel Size:
- 10.5"
- Barrel Finish:
- Nitride
- Handguard Type:
- Free-float
- Gas System Length:
- Carbine-length
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5.56 AR 15 Pistol Upper Assembly - 7" Nitride Barrel, 1:7 Twist Rate with 9" Lightweight MLOK Handguard
