Complete AR15 300BO Rifle NiB Big Bug Kit - No Lower

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This product should ship within 1 to 3 business days.

Product description

This AR15 300 Blackout Rifle Kit includes all of the following:

FU "Big Bug" Complete Upper 16" .300Blk, NIB Bolt, 4150v Black Nitride, Upper

For customers in a free state this upper provides the shooter an outstanding base for his rifle.

For customers in locked down Commiefornia this upper would be ideal for a "featureless" build as this rifle is equipped with a compensator.

The upper comes with our M4 7075 T6 forged upper, nickel boron M-16 bolt carrier group, 16” 4150v barrel and our house brand “BUG” M-Lok rail.

The compensator provided helps to reduce muzzle rise when firing the weapon. The holes located around the device can be plugged with set screws to adjust the direction of the muzzle gases. This allows the shooter to tune the weapon to their personal preference.

As with all of our uppers, this upper has been test fired and comes with our lifetime warranty.

Lifetime WarrantyWe guarantee this product to be free from defects. In the event you feel you have a defective product, please contact us immediately to arrange inspection of the product. In the event we determine the product is defective; we will repair or replace the product with an identical or "like kind" product free of charge. This warranty does not cover standard wear and tear, is not transferable and may be voided if the customer or a third party alters the product in any way.


Lifetime Warranty: YES
Caliber: .300 Blackout
Barrel Length: 16"
Barrel Twist Rate: 1:7
Barrel Material: 4150V
Muzzle Device: Blitzkrieg Octacomp
Gas-System: Steel Low Pro, Pistol Length
Handguard: Slimline 15"
Upper: Blitzkrieg Tactical Forged Upper w/ Forward Assist and Dust Cover
Bolt Carrier Group: Nickel-Boron BCG
Charging Handle: Blitzkrieg Tactical Mil-Spec Charging Handle
Test Fired: YES
Condition: New



Blitzkrieg AR15 Standard Lower Parts Kit

This LPK comes with everything needed to finish your stripped lower receiver (Except for your stock assembly).

This kit DOES NOT come with a California legal magazine lock.

No MIM parts are used in the making of this kit. Made in the USA.


Blitzkrieg Tactical AR15 Carbine Buffer Tube Kit

This Assembly Contains:

  • Mil-Spec, 6061-T6, 6 Position Carbine Buffer Tube, Hard Anodized, Mil-8625, Type III, Class II
  • Mil-Spec Carbine Buffer Spring 
  • Mil-Spec Anodized Carbine Buffer
  • Mil-Spec High Quality End Plate
  • Mil-Spec Machined & Hardened (Not Cast) Castle Nut

Proudly Made in the USA



House M4 Stock Mil-Spec

Tried and true Mil-spec M4 stock that gets the job done.



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