AR-74 5.45x39 16" M4 Quadrail Tactical Rifle Kit / LE Stock / No Lower was designed for a Military/Tactical shooter. This AR-15 5.45x39 16 M4 Quadrail Tactical Rifle Kit is the perfect upgrade for anyone who wishes to have the advantage of the enhanced performance of the 5.45x39 round in an affordable and customizable AR-15 platform. This kit contains all components to complete your AR-15 project, except 80% lower receiver. Kit does not come with magazine. All options and modifications to your kit are available on top of this page.
The features of this rifle kit include a 16 inch Barrel chambered in 5.45x39. The chambering offers superior ballistics and terminal effectiveness over the standard 5.56mm/.223 round. Additionally, this kit comes with a free-float quad rail, offering ample room for any number of tactical accessories such as lights, lasers, bipods, grips, or anything else you might need for your mission. The quad rail system ensures all of these accessories can be added without affecting the rifle's zero.
Kit includes:
Barrel: 16" 5.45x39 Nitride coated, 4150 CMV
Twist: 1 in 8”
Thread: 1/2x28
.750” Gas Block Diameter
Carbine Gas System
M4 flat upper receiver
Forward Assist
Ejection Port Cover
A2-style Flash Hider
Carbine length quadrail free float rail
M16 Bolt Carrier Group
AR-15 Charging Handle
AR-15 Mil Spec Lower Parts Kit
M4 6-position Black Stock
Barrel: 16" 5.45x39 Nitride coated, M4 Style; carbine gas system with .750 gas block diameter. Barrel is finished off with carbine length quadrail free float rail and A2 style flash hider.
Upper: Forged 7075-T6 M4 upper is flat top, precision machined and hard coat anodized. Dust cover and Forward Assist included.
Bolt Carrier Group: 5.45x39 complete bolt carrier assembly, phosphate finish. MPI Tested. Comes complete with cam pin, firing pin and firing pin retainer.
Lower Build Kit: Classic AR-15 lower parts kit, Mil-Spec. Includes everything you need to turn your stripped lower into a complete lower (not included).
Stock: LE M4 6-position black stock, Mil-Spec. Completed with buffer tube assembly, AR-15 buffer and carbine spring.
Please Note: Comes unassembled. You may choose your handguard preference on top of page. Images may not be an exact representation of the product.
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