7.62x39 Complete Upper Receivers
AR15Parts.com builds 7.62x39 complete upper receivers to order for the AR-15 platform. Every upper is assembled, headspaced, and function-checked in our shop before shipping. The 7.62x39mm is the world's most widely produced intermediate cartridge. Running it on an AR-15 gives you access to abundant, affordable ammunition with the ergonomics and accuracy of the AR platform. The 7.62x39 hits harder than 5.56 NATO at close to medium range, making it an effective cartridge for hunting, home defense, and affordable range time. Configure your 7.62x39 upper with your choice of barrel length, handguard, muzzle device, and optional BCG and charging handle.
Why Shooters Choose AR15Parts.com for 7.62x39 Uppers
Every 7.62x39 upper is assembled in-house, headspaced, and inspected. Built to your specifications with no FFL required.
How to Choose the Right 7.62x39 Upper
Barrel Length & Gas System
7.62x39 uppers are available in 10.5" and 16" barrel lengths with a carbine-length gas system. A 16" barrel maximizes velocity and is the most popular choice. A 10.5" barrel creates a compact, hard-hitting pistol or SBR platform. The 1:10 twist rate is standard for the cartridge's 123-grain projectiles.
Complete Upper vs. Barreled Upper
Complete uppers include the dedicated 7.62x39 BCG and charging handle. The 7.62x39 requires a dedicated bolt, so a complete upper is recommended.
Key Specifications
Muzzle Velocity: \~2,350 fps with 123gr Effective Range: 300 yards Barrel Twist: 1:10 Recoil: Moderate Platform: Standard AR-15 lower receiver
7.62x39 Upper Compatibility
The 7.62x39 uses a dedicated 7.62x39 bolt in a standard AR-15 carrier. Dedicated 7.62x39 AR magazines are required — standard AR-15 magazines and AK magazines are not compatible. Quality magazines from C Products and ASC are recommended for reliable feeding. The upper fits any mil-spec AR-15 lower. Suppressor compatibility is good with any .30-caliber suppressor.
Best Uses for 7.62x39 Uppers
The 7.62x39 on the AR-15 gives shooters affordable, hard-hitting performance. For range days, the abundant supply of imported ammunition keeps cost per round low compared to most other calibers. For hunting, the 7.62x39 is effective on deer and hog within 200 yards with soft-point ammunition. Home defense builders choose 7.62x39 for its proven stopping power and affordable training costs. The cartridge's moderate recoil and hard-hitting performance make it a practical choice for shooters who want more energy than 5.56 without moving to an AR-10.
Frequently Asked Questions
What is included in a complete 7.62x39 upper?
Complete uppers include the upper receiver, barrel, gas system, handguard, and muzzle device — assembled and headspaced. Dedicated 7.62x39 BCG and charging handle available as add-ons.
Will a 7.62x39 upper fit my AR-15?
Yes. Our 7.62x39 uppers fit any standard mil-spec AR-15 lower receiver.
Can I use my 5.56 BCG?
No. The 7.62x39 requires a dedicated bolt face. A complete upper includes the correct BCG.
Can I use AK magazines?
No. 7.62x39 AR uppers require dedicated 7.62x39 AR magazines. We recommend C Products and ASC magazines.
Is 7.62x39 good for deer hunting?
Yes. With soft-point ammunition, the 7.62x39 is effective on whitetail deer and hogs within 200 yards.
What is the effective range?
The 7.62x39 is effective to approximately 300 yards.
How long does shipping take?
Most in-stock configurations ship within 3-5 business days. Custom builds may take 2-3 weeks. Orders over $99 ship free.
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