7.5″ 5.56 1 x 7 Pistol Kit 7″ Quad Rail Upper Assembled with NO Lower
Original price was: $419.00.$380.95Current price is: $380.95.
7.5″ 5.56 NATO AR-15 pistol kit in Black with 7″ quad rail (picatinny). Includes BCG, charging handle, Lower Parts Kit, and buffer tube. No lower receiver.
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The DT10-023 bundles a 7.5″ chrome moly 5.56 NATO barreled upper in Black with a complete Lower Parts Kit and pistol buffer tube assembly — everything you need except the stripped lower receiver itself.
- Caliber – 5.56 NATO (.223/5.56)
- Barrel – 7.5″ Chrome Moly
- Twist Rate – 1:7
- Gas System – Pistol-length
- Muzzle Device – A2 Flash Hider, 1/2″-28
- Handguard – 7″ Quad Rail (Picatinny)
- Finish – Black
- Lower Receiver – Not included (BCG, charging handle, Lower Parts Kit & buffer tube included)
What’s Included: a complete M4 flat-top upper — chrome moly barrel, mil-spec 5.56-specific BCG and charging handle, 7″ quad rail (picatinny) handguard, A2 flash hider, gas block and tube — plus a mil-spec Lower Parts Kit and a US-made pistol buffer tube with buffer and spring. It does not include a stripped lower receiver, magazine, jig/tooling, or sights.
Pair this upper with our matching Black 80% lower receiver, or browse our full lineup of AR-15 .223/556 Pistol Build Kits.
| Weight | 7.2 lbs |
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| Accessory Attachment Style | Picatinny |
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Q: Does this kit include a lower receiver?
A: No — the DT10-023 ships as a complete upper only. It does include the BCG, charging handle, mil-spec Lower Parts Kit, and buffer tube, so you’ll just need to add your own AR-15 lower.
Q: What caliber is this kit chambered in?
A: The DT10-023 is chambered in 5.56 NATO (.223/5.56), with a 1:7 twist 7.5″ barrel, topped with an A2 Flash Hider, 1/2″-28. Because 5.56 NATO uses a caliber-specific BCG, it isn’t interchangeable with a different caliber’s bolt carrier.
Q: Does the twist rate matter for the ammo I run?
A: It does. At a 1:7 twist, the DT10-023 handles the full range of common 5.56/.223 loads, including heavier 62–77gr bullets that slower twists struggle to stabilize.
Q: What handguard is installed, and does it free-float the barrel?
A: The DT10-023 uses a 7″ Quad Rail (Picatinny) handguard, free-floated off the barrel for consistent accuracy and zero retention under sustained fire.
Q: What gas system does the 7.5″ barrel use?
A: Pistol-length gas system. On the DT10-023’s 7.5″ barrel, that length keeps the action running reliably without over- or under-gassing.
Q: Can this be built as a rifle instead of a pistol?
A: Only with a lower and stock combination that complies with current ATF rules. The DT10-023’s 7.5″ barrel is below the 16″ rifle-length minimum, so pairing it with a shouldered stock instead of a brace makes it an SBR under the NFA, requiring registration and a tax stamp first.
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