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Midwest Industries Triangle Side Folding Stock – Fits Picatinny – 2 Colors Available

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MI Limited Lifetime Warranty!
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Midwest Industries Triangle Folding Stock: Steel Mechanism with Aluminum Triangle Design

Features

  • Heavy-duty side-folding mechanism from 4140 heat-treated steel
  • Full-length locking lug for maximum strength
  • Positive lock-up in both extended and folded positions
  • Configurable for right or left-hand folding
  • 5 QD sling attachment points
  • Hard coat anodized 6061 aluminum stock
  • Polymer cheek piece for comfort
  • Rubber butt pad
  • Steel clamp with large surface engagement
  • Extremely rigid design
  • Mag phosphate finish on steel parts
  • Weighs 19 oz complete assembly
  • Midwest Industries Lifetime Warranty

The Midwest Industries Triangle folding stock solves the compact storage problem with AK-inspired triangle styling and a 4140 steel folding mechanism that locks solid in both positions. This stock works well for vehicle storage of rifles, transport in bags or cases, and anyone wanting iconic triangle aesthetics with proven American-made quality. The aluminum triangle construction with polymer cheek piece and rubber butt pad provides comfort while the full-length locking lug delivers strength – bringing classic triangle design to Picatinny-equipped rifles with configurable left or right-hand folding.

Note: Adds 9.25″ to overall length when extended, only 0.75″ when folded.

Specifications

  • Brand: Midwest Industries
  • Model: Triangle Side Folding Stock
  • MPN: MI-TRI-SF
  • Platform: AR (Picatinny Mount)
  • Mechanism Material: 4140 Heat-Treated Steel
  • Stock Material: 6061 Aluminum – Hard Coat Anodized
  • Cheek Piece: Polymer
  • Butt Pad: Rubber
  • Steel Finish: Mag Phosphate
  • Folding Configuration: Right or Left (User Configurable)
  • Locking Mechanism: Full-Length Locking Lug
  • QD Sling Mounts: 5 Positions
  • Added Length (Extended): 9.25″
  • Added Length (Folded): 0.75″
  • Weight: 19 oz
  • Mounting: Picatinny Rail
  • Made in: USA
  • Available Colors:
    • Black
    • FDE

What’s Included

  • 1x Triangle side folding stock assembly
  • Mounting hardware

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

Midwest Industries Limited Lifetime Warranty

  • Midwest Industries, Inc. stands behind every item we produce. If you are the original purchaser and a MI product fails due to manufacturing, assembly, or material defect, and you have not modified or abused the item, it will be repaired or replaced for life.
  • Modification or alteration to these parts including custom coatings, voids all factory warranties.
  • We are not responsible for items intentionally/accidentally damaged or destroyed, or products damaged by abuse/poor maintenance.
  • This warranty is limited to the repair or replacement of the part or parts which are returned to Midwest Industries, Inc. and are determined by Midwest Industries, Inc. to be defective.
  • This warranty, made to the original owner/purchaser, is not transferable.

The following items are excluded from this warranty:

  1. Normal wear of product finishes and of all metal or plastic parts.
  2. Damage or malfunction resulting from accident, negligence, misuse, or unauthorized repair or modification.

Disclaimer: Manufacturer’s warranty is subject to change without prior notice.

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