MIDWEST LOWER RECEIVER BLOCK
$28.87
Midwest Industries AR Lower Receiver Block
Designed to work with Mil-Spec AR15 forged lowers, this high-strength polymer construction provides durability and reliability.
Features include parallel edges for vice use and mounting holes for attachment to bench or alternative work surfaces.
Mounting for trigger guard installation section allows for secure assembly.
9 in stock
Midwest Industries Lower Receiver Block, Polymer Construction, Fits 223 Remington/5.56 NATO Receivers, Black MI-LRB
| Weight | 0.910 lbs |
|---|---|
| Dimensions | 10.500 × 7.000 × 1.500 in |
| Manufacturer | Midwest Industries |
| Weight | 12.0 oz |
| Material | High-strength polymer |
| Dimensions | 5.0 x 1.25 x 6.5 |
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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