American TACTICAL INC-ATI ATI AR-15 Milsport Lower Receiver – Stripped
$45.68
Precision machined aluminum AR-15 stripped lower receiver with multi-caliber markings. Ready for your next high-performance AR build.
Out of stock
American Tactical Imports is producing this no nonsense AR-15 durable aluminum lower receiver. This receiver is crafted from precision machined aluminum with multi caliber markings and ready for your next high performance AR platform build. It’s ready to accept any standard AR-15 upper assembly for fantastic fit and function. This is a multi-caliber lower that can be used with any standard AR caliber build including .22 LR 5.56 NATO .223 Rem .300 BLK or 6.8 SPC. If you’re looking for an affordable solid AR lower to start your next build then you’re looking for the ATI Milsport Stripped Lower Receiver!
| Weight | 0.650 lbs |
|---|---|
| Dimensions | 11.000 × 5.000 × 2.500 in |
| Manufacturer | American Tactical |
| Finish | Anodized Black |
| Caliber | Multi |
PROCESSING & SHIPPING
Orders typically ship within 1–3 business days (Monday–Friday) after payment and all required documentation are received. Time to arrival after shipment depends on the carrier. Shipping method is at BT Gun Company’s discretion; ammunition and oversized accessories are charged at actual shipping cost. We do not ship to Hawaii or Alaska.
FIREARM TRANSFERS
- Firearms must ship to a licensed FFL dealer of your choosing — confirm with them first that they can accept the transfer.
- Your receiving FFL will need to email their license to [email protected] before we can ship.
- Inspect your firearm at your FFL’s location before signing ATF Form 4473 — once signed, the firearm is considered accepted.
You’re responsible for knowing the firearms laws in your state before ordering. For complete shipping, returns, and restocking-fee policy details, see our Shipping & Returns page.

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