10.5″ AR-15 Tungsten Grey Pistol Kit 10″ M-lok
Original price was: $499.95.$359.95Current price is: $359.95.
10.5″ 5.56 AR-15 pistol kit in Tungsten Grey with M-Lok rail, complete Lower Parts Kit, and buffer tube. No lower receiver included.
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The DT10-045 finishes the lineup with a 10.5″ chrome moly, Nitride-finished 5.56 barreled upper in Tungsten Grey and a complete Lower Parts Kit and buffer tube assembly — everything you need except the stripped lower receiver itself.
- 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″ M-Lok, free float
- Finish – Tungsten Grey Cerakote
- Lower Receiver – Not included (Lower Parts Kit & buffer tube included)
What’s Included: a complete barreled upper — chrome moly Nitride barrel, mil-spec BCG and charging handle, Tungsten Grey M-Lok free-float handguard, gas block and tube — plus a mil-spec Lower Parts Kit and a US-made carbine buffer tube with buffer and spring. It does not include a stripped lower receiver, pistol brace, or magazine.
Pair this upper with our matching Tungsten Grey 80% lower receiver, or browse our full lineup of AR-15 .223/556 Pistol Build Kits.
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
| Weight | 7.2 lbs |
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| Accessory Attachment Style | M-lok |
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Q: Does this kit include a lower receiver?
A: No — the DT10-045 ships as an upper only, but a mil-spec Lower Parts Kit and buffer tube are included, so you’ll just need to add your own lower receiver.
Q: What caliber is this kit chambered in?
A: Chambering on the DT10-045 is 5.56 NATO (.223/5.56) — a 1:7 twist, 10.5″ barrel, threaded 1/2″-28. The BCG is caliber-specific to 5.56 NATO, so it won’t swap with a different caliber’s bolt carrier.
Q: Does the twist rate matter for the ammo I run?
A: Yes, and it’s worth knowing for the DT10-045: a 1:7 twist favors heavier 5.56/.223 bullets (62–77gr) without giving up performance on standard 55gr ammo.
Q: Is the Tungsten Grey Cerakote finish just on the handguard, or the whole kit?
A: On the DT10-045, the Tungsten Grey Cerakote finish covers the handguard and receiver-facing components of the upper; the barrel itself retains its Nitride finish.
Q: What gas system does the 10.5″ barrel use?
A: A carbine-length gas system, sized specifically for the DT10-045’s 10.5″ barrel to keep the action cycling reliably.
Q: Can this be built as a rifle instead of a pistol?
A: At 10.5″, the DT10-045’s barrel falls well short of the 16″ rifle-length minimum. Building it with a shouldered stock rather than a brace reclassifies it as an SBR under the NFA — that requires ATF Form 1 approval and a tax stamp before you assemble it that way.
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