MIDWEST SIDE FOLDING FIXED STOCK
$182.65
Midwest Industries Picatinny Side Folding Fixed Extruded Stock:
This 4140 heat-treated steel side-folding mechanism chassis is designed for maximum strength and rigidity. Features include a full-length locking lug, steel clamp with large surface engagement, and a unique design that adds 9.0″ to the overall firearm length.
Key Specifications:
Material: Hard Coat Anodized 6061 Aluminum
Action Type: Not specified
Caliber/ chamber not mentioned
Chamber/Caliber compatibility requires verifying with manufacturer or firearms expert
8 in stock
The Midwest Industries Side Folding Fixed Extruded Stock fits a Picatinny rail and features a black finish. Its triangular design adds 9.0 inches to the firearm’s overall length.
The stock is made from hard coat anodized 6061 aluminum. The side-folding mechanism chassis uses heat-treated 4140 steel with a full-length locking lug and steel clamp with large surface engagement.
- Manufacturer: Midwest Industries
- Part Number: MWMI-STAP-SF-FES
- Color: Black
- Fit: Picatinny rail
- Stock Material: Hard coat anodized 6061 aluminum
- Mechanism Chassis Material: Heat-treated 4140 steel
- Length Added: 9.0 inches
- UPC: 812102033509
| Weight | 1.310 lbs |
|---|---|
| Dimensions | 11.000 × 4.850 × 2.400 in |
| Manufacturer | Midwest Industries |
| Finish | Hard Coat Anodized |
| Weight | 15.5 oz |
| Material | 6061 Aluminum |
| Dimensions | 9.0″ added to overall firearm length |
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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