300 Blackout AR 15 Pistol Kit (8.5” Nitride Barrel & 7” Lightweight M-Lok Handguard) w/ 80% Lower (1:7 Twist)

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

Description

We’re excited to introduce this heavy-duty 300 Blackout AR 15 Pistol Kit. Featuring an 8.5” nitride barrel, 7” lightweight M-Lok handguard, complete parts kit, and your choice of a quality forged or billet 80% lower, this kit includes everything you need to finish your build and hit the range in a single day.

A heavy-profile, 4150V barrel provides MOA accuracy and reliably cycles supersonic or subsonic 300 BLK loads, suppressed or un-suppressed. A 1:7 twist rate allows for accurate shot groups with either heavy (220-grain) or light (110-grain) loads. A pistol-length gas system and 5/8-24 thread fittings making installing your favorite suppressor a breeze, no modification necessary.

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.

We are a national retailer of individual components and not all products depicted on this website are legal in every state. Shipping of various products found on this website are prohibited to some states (such as California, Connecticut, District of Columbia, New Jersey, New York, Rhode Island, and Washington). The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. We encourage each and every builder to perform their own research about the state and federal laws that apply to them. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative.