The DT10-174 is a complete 7.5″ 5.56 AR-15 pistol upper kit built around a chrome moly, Nitride-finished barrel and a Black M-Lok Windows handguard for a lightweight, free-float setup. No 80% lower receiver is included, so you can pair this upper with whichever AR-15 lower fits your build.
- Caliber – 5.56 NATO (.223/5.56)
- Barrel – 7.5″ Chrome Moly, Nitride finish
- Twist Rate – 1:7
- Gas System – Pistol-length
- Muzzle Thread – 1/2″-28
- Handguard – 7″ Black M-Lok Windows, free float
- BCG – Nitride-coated, mil-spec
- Lower Receiver – Not included
What’s Included: a complete barreled upper — chrome moly Nitride barrel, mil-spec BCG and charging handle, M-Lok Windows free-float handguard, gas block and tube. It also includes a mil-spec Lower Parts Kit and a US-made pistol buffer tube with buffer and spring. It does not include a lower receiver, pistol brace, or magazine.
Browse our full lineup of AR-15 .223/556 Pistol Build Kits, or pair this upper with one of our Black 80% lower receiver to finish your build.
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information: www.P65Warnings.ca.gov











