American Tactical Inc-ATI ATI AR15 Multiple Caliber Stripped Metal Reinforced Polymer Upper Receiver
$29.76
ATI’s AR15 stripped upper receiver features a metal-reinforced polymer construction for durability and compatibility with multiple calibers.
Out of stock
Accepts standard mil-spec parts
Multi-Caliber: 5.56mm 300BLK 22LR 6.8 SPC and others
Material: Polymer w/Insert
Patented Metal-reinforced polymer upper receiver
Lightweight with durability of a forged aluminum upper
Metal insert to reinforce critical areas of the upper
Only 1/2 a pound! (7 ounces)
| Weight | 0.550 lbs |
|---|---|
| Dimensions | 8.700 × 4.400 × 3.450 in |
| Manufacturer | American Tactical |
| Weight | 7 ounces |
| Material | Polymer w/Insert |
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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