16″ 300 BLK Blackout Complete Rifle Kit with No Lower

Original price was: $419.00.Current price is: $329.95.

A .300 Blackout upper kit with a 10″ free-float aluminum quad rail, pistol-length gas system, and mil-spec bolt carrier group. Heavy chrome moly barrel, 1×8 twist. No lower receiver included — not an FFL item.

UPGRADE BOLT CARRIER GROUP

NICKEL BORON M16 BOLT CARRIER GROUP
(+$124.99)NICKEL BORON BOLT CARRIER GROUP

M16 NICKEL BORON BOLT CARRIER GROUP

TITANIUM NITRIDE BCG
(+$59.95)M-16 TITANIUM NITRIDE BCG

M16 TITANIUM NITRIDE BCG

Anderson Full Auto Cut 5.56 Bolt Carrier Group Upgrade Add to Rifle and Pistol Kits and Upper Build Assemblies
(+$79.95)ANDERSON NITRIDE BOLT CARRIER GROUP WITH PUNISHER LOGO

ANDERSON BLACK NITRIDE BCG WITH PUNISHER LOGO

ANDERSON A001 NITRIDE BCG
(+$79.95)ANDERSON AM-15 M16 BOLT CARRIER GROUP WITH LOGO

ANDERSON M-16 BCG WITH LASER ENGRAVED LOGO

Aero Precision 5.56 Nickle Boron BCG Upgrade From Standard Bolt Carrier Group
(+$139.95)AERO PRECISION NICKEL BORON M16 BCG

NICKEL BORON COATED AERO PRECISION BOLT CARRIER GROUP

FAILZERO FZM164 01 NH NICKEL BORON BOLT CARRIER GROUP
(+$129.95)FAILZERO NICKEL BORON BOLT CARRIER GROUP

NICKEL BORON COATED FAILZERO BCG 5.56

AR-15 fz nitride nh
(+$79.95)FAIL ZERO BLACK NITRIDE BOLT CARRIER GROUP

M-16 FAILZERO NITRIDE BCG .223 / 5.56 / .300 BLACKOUT

ar15 CHROME PREMIERE bolt carrier group
(+$74.95)PREMIERE MANUFACTURING CHROME M16 BOLT CARRIER GROUP

PREMIERE MANUFACTURING CHROME M-16 BCG

UPGRADE LOWER PARTS KIT

LBE Unlimited Mil-Spec Standard Lower Parts Kit including fire control group and grip
(+$47.95)

LBE Unlimited Lower Parts Kit

Spikes Tactical Standard Lower Parts kit
(+$63.95)

Spikes Tactical Mil-Spec Lower Parts Kit

Anderson Manufacturing Standard Lower Parts Kit
(+$29.95)

Anderson Manufacturing Mil-Spec LPK

Daytona Tactical Pistol Kit
(+$34.95)ANDERSON MANUFACURING LOWER PARTS KIT WITH STAINLESS TRIGGER AND HAMMER

ANDERSON MANUFACURING LOWER PARTS KIT SS HAMMER/TRIGGER

CMMG Standard Lower Parts Kit
(+$41.95)

CMMG Lower Parts Kit

CMC Enhanced LPK with Straight Drop in Trigger
(+$229.95)

CMC 3.5 lb. flat drop in trigger / cmc LPK

Aero Precision Standard Lower Parts Kit
(+$39.95)

Aero Precision Mil-Spec Lower Parts Kit

Spikes Tactical Enhanced Lower Parts Kit
(+$136.95)

Spike Tactical LPK /stainless Trigger, Hammer and Disconnect

Product price: $329.95
Total options:
Order total:

This .300 Blackout Rifle Kit steps up to a 10″ free-float aluminum quad rail for a longer sight radius and improved accuracy over the shorter handguard options. The heavy chrome moly barrel is phosphate processed and paired with a pistol-length gas system.

  • Chamber – .300 AAC Blackout
  • Twist – 1 x 8
  • Barrel Thread – 5/8″ x 24
  • Barrel Steel – Heavy Chrome Moly, Phosphate Processed
  • Flash Hider – A2 Flash Hider
  • Gas System – Pistol-Length, .750″ Low Profile Gas Block
  • Handguard – 10″ Free Float Aluminum Quad Rail
  • Upper Receiver – M4 Flat-Top w/ Feed Ramps
  • Bolt Carrier Group – Mil-Spec AR-15 BCG
  • Charging Handle – Included
  • Lower Parts Kit – Mil-Spec LPK
  • Stock – US-Made 6-Position Black Stock w/ Buffer & Spring
  • Origin – Made in the USA

What’s Included: Assembled M4 flat-top upper, mil-spec BCG, charging handle, mil-spec lower parts kit, and 6-position stock. Lower receiver is NOT included — pair it with any AR-15 80% lower, and this kit ships as a non-FFL item.

Browse more setups in our .300 Blackout rifle build kits collection, or grab a matching 80% lower receiver to complete the build.

Weight 8 lbs
Brand

Caliber

Handguard Length

Platform

Barrel Chamber

Barrel Finish

Barrel Gas Block

Barrel Gas System

Barrel Length

Barrel Material

Barrel Thread

Barrel Twist

Color

Accessory Attachment Style

Picatinny

1 review for 16″ 300 BLK Blackout Complete Rifle Kit with No Lower

  1. Avatar of reviewer robert cacciatore
    5 out of 5

    robert cacciatore

    Great build


Only logged in customers who have purchased this product may leave a review.

Does this kit include a lower receiver?
No. This kit ships without a lower receiver, so it is not an FFL item.

What handguard does it use?
A 10″ free-float aluminum quad rail for a longer sight radius and better heat dissipation.

What twist rate is the barrel?
1×8 twist, chambered in .300 AAC Blackout, with a heavy chrome moly barrel.

Is the bolt carrier group and charging handle included?
Yes, a mil-spec BCG and charging handle are both installed.

Can I upgrade components before I order?
Yes, upgrade options for the BCG, lower parts kit, and flash hider are available at checkout.

Is this kit made in the USA?
Yes, the kit is assembled in the USA.