DPMS Complete AR-15 Upper — 7.5" / 300 AAC Blackout

A perfect partner to our lowers, this DPMS complete AR-15 upper is ready for your next build. It features a 4" knurled tube free-float handguard and a 7.5" barrel chambered in 300 AAC Blackout. Each upper arrives fully assembled with forward assist, dust cover, bolt carrier group (BCG), and charging handle — ready to go out of the box.

Key Features

• Barrel Length: 7.5"
• Barrel Material: 4150V Chrome Moly Vanadium Steel
• Barrel Finish: Nitride
• Barrel Profile: Heavy
• Chamber: 300 AAC Blackout
• Twist Rate: 1:7"
• Barrel Extension: M4
• Gas System: Pistol-length
• Gas Block Type: .750" R-marked FSB
• Upper Receiver: Forged 7075-T6 aluminum (C7 carry handle style)
• Receiver Finish: Hardcoat anodized
• Forward Assist: Yes
• Dust Cover: Yes
• Handguard Style: DPMS 4" knurled tube free-float
• Bolt: Carpenter 158, mag-phosphate coated
• Bolt Carrier: 8620 steel, chrome lined
• Staked Gas Key: Yes
• Includes: Bolt carrier group and charging handle

Details

Barrel: Chrome-moly vanadium 4150V barrel chambered in 300 AAC Blackout with a 1:7" twist, M4 barrel extension, and a pistol-length gas system. The nitrided barrel is finished with a .750" R-marked gas block, 4” knurled tube handguard, and an A2 flash hider.

Upper: Forged 7075-T6 C7 AR upper machined to MIL-SPEC and hardcoat anodized. Includes forward assist, dust cover, and A1 rear sight aperture.

Bolt Carrier Group: Shot-peened Carpenter 158® steel bolt. Gas key hardened to USGI specs, secured with Grade 8 fasteners, and staked per mil-spec. Carrier is 8620 steel, full-auto profile, chrome lined and phosphate coated.

Each upper is assembled to order and test-fired by DPMS. If you experience any issues, please contact DPMS directly — units are received sealed from DPMS and shipped to customers in the same sealed condition.

Shipping Restrictions

This item cannot be shipped to California, Colorado, Connecticut, Hawaii, Illinois, Maryland, Nevada, New Jersey, New York, Rhode Island, Washington, Washington, D.C., or the cities of Philadelphia, York, and Reading in Pennsylvania.

By purchasing this product, you confirm compliance with all federal, state, and local laws regarding firearm ownership.