

7.5″ 300 AAC Blackout Pistol Kit Upper Assembled with 80% Lower
$469.00 Original price was: $469.00.$425.95Current price is: $425.95.
7.5″ .300 Blackout AR-15 pistol kit in Black with 7″ quad rail (picatinny). Includes BCG, charging handle, LPK, buffer tube, and an 80% stripped lower receiver.
- Description
- Additional information
- Reviews (3)
- FAQ
The DT10-008 is a complete 7.5″ chrome moly, phosphate finish .300 Blackout pistol build kit finished in Black, bundled with an 80% stripped lower receiver — everything needed to build a pistol from the ground up.
- Caliber – .300 AAC Blackout
- Barrel – 7.5″ Chrome Moly, phosphate finish
- Twist Rate – 1:8
- Gas System – Pistol-length
- Muzzle Device – A2 Flash Hider, 5/8″-24
- Handguard – 7″ Quad Rail (Picatinny)
- Upper Receiver – M4 flat-top
- Finish – Black
- Lower Receiver – 80% stripped lower receiver included
What’s Included: a complete M4 flat-top upper — chrome moly barrel, mil-spec .300 BLK-specific BCG and charging handle, 7″ quad rail (picatinny) handguard, gas block and tube — plus a mil-spec Lower Parts Kit, a US-made pistol buffer tube with buffer and spring, and an 80% stripped lower receiver. It does not include a magazine, jig/tooling, or sights.
This complete Pistol Kit is not an FFL item because the lower is not complete — it is machined 80% and still needs machining to finish. Pair it with our 80% lower jig kit, or browse our full lineup of AR-15 pistol build kits.
WE DO NOT SHIP 80% LOWER RECEIVERS TO THE FOLLOWING STATES – NY, RI, NJ, CT, MD, DE, HI, IL, NV, CA, WA, DISTRICT OF COLUMBIA, DENVER, CO OR BOULDER, CO
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 | Picatinny |
3 reviews for 7.5″ 300 AAC Blackout Pistol Kit Upper Assembled with 80% Lower
Only logged in customers who have purchased this product may leave a review.
Does this kit include a lower receiver?
Yes. The DT10-008 includes an 80% stripped lower receiver in addition to the complete barreled upper, BCG, LPK, and buffer tube.
Is this an FFL item?
No. Because the included lower receiver is only 80% machined and still requires additional machining to complete, it is not considered a firearm and does not require an FFL transfer.
Do you ship the 80% lower to every state?
No. We do not ship 80% lower receivers to NY, RI, NJ, CT, MD, DE, HI, IL, NV, CA, WA, the District of Columbia, or Denver/Boulder, CO.
What tools do I need to finish the lower?
You’ll need an 80% lower jig kit and standard hand or drill press tools to complete the machining — we sell a compatible jig kit separately.
What caliber is this kit chambered in?
.300 AAC Blackout — it uses a caliber-specific BCG and is not interchangeable with a 5.56 bolt carrier group.
Can this be built as a rifle instead of a pistol?
Only with a lower and stock combination that complies with current ATF rules; changing a pistol build’s configuration can trigger NFA/SBR requirements, so check current regulations before altering it.




Ryan Pronger –
Amazing product. Worth the buy
Brenten B –
Purchased one be 4 . Did a little work . And can not complain. Parts worked out great . Company is what they say they are . Love to work with them again. . Parts are great and up to par .
Lawrence m –
Great prices