AR-15 300 AAC blackout 16" M4 classic tactical rifle kit

Product Code: MA300BLKKIT
In Stock
Price: $369.95$499.95

Available Options


Add Assembled Upper:

Add Lower Receiver:

Add Jig:

Add Magazine:

Rail System Upgrade:

Buttstock Upgrade:

Barrel Upgrade:

AR-15 300 AAC 16" blackout M4 classic tactical rifle kit, AR-15 Mil Spec Lower Parts Kit. This rifle kit contains all components to complete your AR-15 Rifle. The rifle kit comes WITHOUT 80% lower receiver. All options and modifications to your kit are available on top of this page. All components are Mil Spec and made in the USA. Our handguards are free float. 

Barrel: 16” Contour, Nitride Finish

Chamber: .300 AAC

Twist: 1 in 8”

Thread: 5/8-24

.750” Gas Block Diameter

Carbine Gas System*

M4 flat top upper receiver

Forward Assist

Ejection Port Cover

A2-style Flash Hider

Quadrail free float tube and nut

Bolt Carrier Group

AR-15 Charging Handle

M4 6-position Black Stock

Barrel: 16” Contour Barrel with 1:8 twist (Mag Phos), .300 blackout caliber, nitride finish and a carbine gas system.* Barrel is finished off with an anodized carbine length free float handguard* and A2 style flash hider.

Upper: 7075-T6 M4 upper is flat top, precision machined and hard coat anodized.  These uppers are made for us in the USA by a mil-spec manufacturer (DPMS style).

Bolt Carrier Group: M-16 5.56/.223 complete bolt carrier assembly, chrome lined, made from 8620 steel, Bolt is made from 9310 steel and stalked per mil spec. MPI Tested. Comes complete with cam pin, firing pin and firing pin retainer.

Lower Build Kit: Classic DPMS AR-15 lower parts kit, Mil-Spec. Includes everything you need to turn your 80% stripped lower into a complete lower.

Stock: M4 Carbine 6-position black stock, Mil-Spec. Completed with buffer tube assembly and spring.

Please Note: Comes unassembled. Standard kit is DPMS compatible. The kit may have variations in handguard appearance, depending on stock availability, with the same great quality. *Handguard may vary between keymod and quadrail, depending on stock availability.

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