Quick Tip: How to Install the JMAC Custom Stock

Published on October 25, 2023
Duration: 13:25

This guide details the installation of the JMAC Custom folding stock, focusing on compatibility with BRN-180 series receivers and 1913 Picatinny rails. It covers assembling the buttplate, securing the pin, attaching the stock to the receiver, and converting the folding direction from left to right. The process requires a 5/32 inch hex wrench and a nylon-headed hammer.

Quick Summary

The JMAC Custom folding stock is installed using a 5/32 inch hex wrench and can be configured for left or right-side folding. It is compatible with 1913 Picatinny rails, including BRN-180 series receivers and AK platforms, but not standard AR-15 receivers. Proper assembly of the buttplate and securing the pin with a nylon-headed hammer ensures smooth operation.

Chapters

  1. 00:04Introduction to JMAC Stock Installation
  2. 00:12JMAC Stock Overview
  3. 00:26Folding Mechanism Variants & Compatibility
  4. 00:58Receiver Compatibility (BRN-180)
  5. 01:24Required Tools
  6. 01:45Stock Components Breakdown
  7. 03:13Choosing Folding Direction
  8. 03:36Assembling Buttplate to Arm Bar
  9. 05:28Securing Buttplate Pin
  10. 07:24Attaching to Lower Receiver (Left Fold)
  11. 10:16Converting to Right Fold
  12. 12:49Conclusion & Support

Frequently Asked Questions

What tools are needed to install the JMAC Custom folding stock?

The primary tool required for installing the JMAC Custom folding stock is a 5/32 inch hex wrench. A nylon-headed hammer is also recommended for gently tapping in the buttplate pin to ensure proper function.

What firearms are compatible with the JMAC Custom folding stock?

The JMAC Custom folding stock is compatible with firearms featuring a 1913 Picatinny rail. Specific mounts are available for AK platforms, and it is designed for BRN-180 series lower receivers with a machined 1913 rail. Standard AR-15 receivers are not compatible.

Can the JMAC Custom folding stock be folded to either side?

Yes, the JMAC Custom folding stock is designed to be reversible. It can be configured to fold either to the left (standard for ejection port clearance) or to the right, depending on user preference and firearm configuration.

How do you ensure the JMAC Custom folding stock folds smoothly?

To ensure smooth operation, the buttplate pin should be gently tapped flush with a nylon-headed hammer after assembly. This allows the pin to properly engage the friction piece, resulting in a satisfying click and smooth folding action.

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