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Blitzkrieg Tactical "Boom Stick™" Complete 16" Key Mod Rifle Kit
Delayed shipment
Delayed shipment

With this kit you get all the parts needed to build a complete AR carbine. This kit includes the following parts:

(1) Boom Stick™ Complete 16" Carbine 5.56 Upper Receiver.
(1) Anodized forged 5.56 80% Lower.
(1) Mil-Spec Complete Stock & Buffer Assembly
(1) Mil-Spec 5.56 Lower Parts Kit.


This LPK comes with a mil-spec trigger group and all the pins and parts, and grip.


This lower starts its life as a mil-spec 7075 forging. From there we take the forging and machine it into a mil-spec 80% lower. After the machining process is done, we send it out to get Type III hard coat anodized (mil-spec anodizing). The rear pocket is cut on this lower.

All machining processes have been completed and within spec except for the following:

1. Milling out the receiver interior (Fire Control Cavity).
2. Cutting of the Trigger Slot (Trigger Through Hole)
3. Drilling of the Trigger Pin Hole
4. Drilling of the Hammer Pin Hole
5. Drilling of the Selector Hole

All other Machining process are complete to Spec, all other machine work has been completed.

Made of 7075 T6 Aluminium here in the U.S.A.

These lowers do have the rear pocket cut.



Mil-Spec Stock
Forged 7075 Carbine Buffer Tube.
Machined (Not Cast) Castle Nut
High Quality Mil-Spec End Plate
Chrome Silaca, Black oxide coated Spring
Mil-Spec, Standard weight, black anodized carbine buffer.


The Boom Stick™ complete upper receiver features a lightweight 11" key mod hand guard and superb 16" 4150v carbine barrel with Black Nitride - QPQ BCG. This upper is for someone who wants an upper that is light, accurate and doesn't break the bank.

QPQ: This is an extreme case hardening process which turns the steel black and hardens the surface of the steel and extends the life of the product. QPQ stands for Quench Polish Quench. This process is now commonly used in the industry.

TEST FIRE: Most other companies do not test fire their products, and if they do it is usually a "lot" test. We test fire each and every upper. We shoot three shots and do so in rapid succession. Test firing allows us to be confident that the upper we are sending you is ready to go out of the box. We do our test fires dry and recommend that you lubricate your upper prior to shooting it.


Barrel: 4150v 16inch, Carbine Gas System, QPQ treated, 5.56 Chamber
BCG: Black Nitride - QPQ, M16 BCG
Upper: Forged 7075 Mil-Spec Upper
Muzzle Device: Standard Bird Cage
Charging Handle: Grooved Billet 6061 with Standard Latch
Gas Tube: Stainless Carbine Gas Tube
Gas Block: Steel, Low Profile
Hand Guard: Free Float, 11" Key Mod Rail
Regularly: $1,299.99
Price: $699.99
I understand that this item is out of stock and it could take 4-6 weeks before it ships.
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