AR 15 Pistol Kit - .300 AAC Blackout (8.5" Nitride Barrel & 7" M-Lok Handguard) w/ 80% Lower

$737.99
$650.00
SKU:
300BLK-85-7MLOK-PKFL

Description

If you're following the rising popularity of the .300 AAC Blackout caliber, then you probably already know that in terms of ballistics, .300BLK loves medium to short barrels.  That's why we're introducing several new AR pistol build kits chambered in .300BLK. This one comes with an 8.5" nitride-coated barrel with a 7" M-Lok handguard.  You also get a lower parts kit whose grip has been upgraded to the Magpul MOE grip, complete buffer tube assembly with a pistol brace by SB Tactical, and your choice of one of our forged or billet 80% lower receivers.

300 Blackout Pistol Kit Specs:

Barrel Length: 8.5"

Gas System: Pistol Length

Barrel Profile: Heavy

Barrel Steel: 4150V 

Barrel Finish: Nitride

Chrome Lining: None

Muzzle Thread: 5/8-24

Chamber: 300 Blackout

Twist Rate: 1:7

Barrel Extension: M4

Diameter at Gas Block: .750

Gas Block Type: Low-Profile

Muzzle Device: A2 Style Flash Hider

Receiver Material: Forged 7075 T6

Receiver Type: M4

Handguard Type: 7" Lightweight M-Lok Free Float Rail

Bolt Carrier Group Included: Yes

Bolt Steel: Carpenter 158

Bolt Carrier Profile: Full-Auto

Charging Handle Included: Yes

Overall Length: 17"

300 Blackout Pistol Kit Features:

  • Offers complete build kit w/ optional 80% lower
  • Is not considered a firearm, no FFL required
  • Pre-built upper is test-fired for reliability
  • Features mil-spec fittings
  • Type III Hardcoat anodized
  • Proudly made in the USA
  • Backed by Lifetime Warranty

 300 Blackout Pistol Kit Details:

Barrel: Nitride-coated, 8.5”, chambered in 300 Blackout. Made of 4150 Vanadium. Features 1:7 twist rate, M4 barrel extension, and pistol-length gas system. Includes 7" Lightweight M-Lok free-float rail, .750" diameter low profile gas block, and A2 flash hider.

Upper: Mil-spec, made of forged 7075 T6 aluminum. Hard-coat anodized (Type III). Features M4 feed ramps.

Bolt: Mil-spec, shot-peened, made of Carpenter 158 steel. Gas key secured with Grade 8 fasteners, staked per mil-spec. Parkerized exterior, chrome-lined interior.

80% Lower: Pick an optional forged or billet 80% lower. All lowers include mil-spec fittings and hard-coat anodizing.

Lower Parts Kit: Includes complete, mil-spec AR-15 parts kit. Features MOE trigger guard and Enhanced Polished Trigger (EPT).

Charging handle: Standard 7075 Forged charging handle.

Please note: If completing your AR Pistol Kit using the optional 80% lower, please select an 80 lower jig from our available options.

No FFL required  Made in the USA  Lifetime Warranty

Shipping Restrictions

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.