The DT10-177 bundles an 8.3″ chrome moly, Nitride finish 9mm barreled upper in Tungsten Grey with a complete Lower Parts Kit, pistol buffer tube assembly, and Colt-style magazine adapter — everything you need except the stripped lower receiver itself.
- Caliber – 9mm Luger
- Barrel – 8.3″ Chrome Moly, Nitride finish
- Twist Rate – 1:10
- Operating System – Direct blowback (no gas system)
- Muzzle Device – A2 Flash Hider, 1/2″-36
- Handguard – 7″ Keymod, free float
- Upper Receiver – M4 flat-top
- Magazine Compatibility – Colt-style magazine adapter included
- Finish – Tungsten Grey
- Lower Receiver – Not included (BCG, charging handle, Lower Parts Kit, buffer tube & Colt-style magazine adapter included)
- Mil-spec 9mm-specific BCG and charging handle, 7″ Keymod, free float handguard — plus a mil-spec Lower Parts Kit, a US-made 9mm pistol buffer tube with buffer and spring, and a Colt-style magazine adapter. It does not include a stripped lower receiver, magazine, jig/tooling, or sights.
Pair this upper with our Tungsten Grey 80% lower receiver, or browse the matching 8.3″ AR-15 9mm Tungsten Grey Pistol Kit 7″ M-LOK from our full lineup of AR-15 AR9 9mm Pistol Build Kits.










