The DT10-172 builds around a 10.5″ chrome moly, Nitride-finished 5.56 barrel and a Black M-Lok Windows free-float handguard for a longer-sighted AR-15 pistol setup. This is an upper-only kit — no 80% lower receiver is included. Note: some archived listings for this kit referenced a lower receiver in error; please confirm with us before ordering if you need lower-receiver inclusion.
- Caliber – 5.56 NATO (.223/5.56)
- Barrel – 10.5″ Chrome Moly, Nitride finish
- Twist Rate – 1:7
- Gas System – Carbine-length
- Muzzle Thread – 1/2″-28
- Handguard – 10″ 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
