JMac Customs 1913 Folding Mech (SIG) RSA-SIG
The JMac Customs 1913 Folding Mech (SIG) RSA-SIG is a high-quality, precision-engineered folding stock adapter designed to add compact folding capability to firearms equipped with a 1913 Picatinny rail. Manufactured by JMac Customs, a trusted name in premium firearms accessories, the RSA-SIG allows users to mount SIG-style folding stocks or braces on a wide range of platforms, including AKs, ARs, and other rifles with a rear Picatinny rail interface.
Versatile 1913 Picatinny Folding Solution
The JMac Customs RSA-SIG is specifically designed to work with the 1913 Picatinny rail system, making it one of the most versatile folding mechanisms available. Whether you’re running a SIG MCX, MPX, or have added a Picatinny rail to your AK or AR platform, this adapter provides a rock-solid mounting point for folding stocks. It enables shooters to significantly reduce the overall length of their firearm for easier transport, storage, and maneuverability in tight spaces.
Key Features of the JMac Customs RSA-SIG
- Brand: JMac Customs
- Model: RSA-SIG
- Compatibility: 1913 Picatinny Rail / SIG Folding Stocks
- Material: High-Strength Steel
- Finish: Black Nitride or Phosphate
- Function: 1913 Folding Mechanism
- Best Use: Compact Folding Stock Conversion
Robust Construction and Reliable Performance
Built from high-strength steel and finished with a durable protective coating, the RSA-SIG is engineered to withstand the rigors of hard use. The folding mechanism is designed for smooth operation while maintaining exceptional strength and stability when locked in the open position. This ensures that your stock remains rigid and secure during firing, preserving accuracy and shooter control. The adapter is precision machined to tight tolerances, guaranteeing a perfect fit on any standard 1913 Picatinny rail.
Easy Installation and Wide Compatibility
The JMac Customs 1913 Folding Mech (SIG) RSA-SIG installs quickly and securely onto any 1913 Picatinny rail. It is compatible with a variety of SIG-style folding stocks and braces, giving users the flexibility to customize their setup. Whether you’re building a compact SBR, a PDW-style rifle, or simply want the convenience of a folding stock on your existing firearm, the RSA-SIG provides a professional-grade solution without requiring permanent modifications.
| Specification | Details |
|---|
| Brand | JMac Customs |
| Model | RSA-SIG |
| Compatibility | 1913 Picatinny Rail / SIG Stocks |
| Material | High-Strength Steel |
| Finish | Black Nitride |
| Function | Folding Stock Adapter |
| Best Use | Compact Rifle Builds |
Why Choose the JMac Customs RSA-SIG?
The JMac Customs 1913 Folding Mech (SIG) RSA-SIG stands out as a premium solution for shooters looking to add folding capability to their firearms. Its robust steel construction, precise machining, and compatibility with SIG-style stocks make it a reliable choice for both recreational shooters and professionals. Whether you need a more compact setup for vehicle storage, home defense, or range use, the RSA-SIG delivers the strength, functionality, and quality that JMac Customs is known for.
Upgrade your rifle with the JMac Customs RSA-SIG 1913 Folding Mechanism for superior compactness and performance.
