A3 Industries

1913 Adapter for MAC 11/9

Now compatible with both open and closed bolt MAC 11/9. Be sure to select the variant you have to ensure you receive the correct mounting hardware.

1913 Adapter for MPA Defender

Machined from 6061 T6 aluminum and anodized in low gloss black, this rear stock adapter securely mounts to the rear of your Masterpiece Arms Defender with included hardware. This stock adapter allows...

A3 Folding Mechanism

These mount to any rear 1913 (Picatinny) rail. Manufactured from 17-4 stainless steel with QPQ Melonite coating. Rapid deployment feature and quick-lift folding. Factory replacement for A3 Modular...

A3 Steady Brace (Aluminum)

Introducing the Steady-Brace Modular Pistol Stabilizer.  The Buffer tube mount variant clamps to any Mil-spec buffer tube, or any point designed for Gearhead Works Tailhook mounting. Simply...

A3 STRIBOG LOWER RECEIVER

Lower receiver for the Grand Power Stribog, designed to use the popular and well established AR fire control group and grips. These AR features bring almost limitless possibilities to your Stribog...

B&T GHM 1913 Adapter

1913 Picatinny Rail Adapter for mounting stocks/braces on the B&T GHM.

CHEEK REST / BUTT-PAD FOR A3 TRIANGLE STOCK

This butt-pad and cheek rest will fit the A3 Triangle stocks listed on this website. Made from injection-molded Neoprene rubber. Hardware included.

CTR Cheek Rest Mount for RDB

Enhance your KelTec RDB with precision-machined cheek rest adapters designed to fit any Magpul CTR cheek rest. Easy installation using the pre-installed factory hardware. CTR cheek rests available in...

MODULAR FOLDING BRACE

***All brace sales are Final! No returns, refunds or exchanges will be processed.*** BRACE SPECIFICATIONS: Length: 8.625" Weight: 10.0 oz Mount Function: Folding - Left or Right - Straight Mount...

MODULAR FOLDING STOCK

STOCK SPECIFICATIONS: Length: 9.5" Weight: 12.2 oz Mount Function: Folding - Left or Right - Straight Mount Height: 1.12" (excluding hinge) Mount Width: 1.00" (excluding hinge) DESCRIPTION:A3...

PWS UXR 1913 Stock Adapter

If you want to run a different stock on the UXR, this adapter corrects the 6 degree angle built into the receiver. The adapter provides a 4-slot 1913 (Picatinny) rail to mount any stock with a 1913...

RDB CQB buttstock

Enhance your KelTec RDB with our precision-machined aluminum buttstock. Engineered for improved handling and maneuverability. This butt-plate replaces the factory polymer unit with a compact,...

Steady Brace for A3 Stocks

***All brace sales are Final! No returns, refunds or exchanges will be processed.*** The A3 Steady Brace can be used to convert A3 Modular and Telescoping stocks into a pistol brace configuration...

Triangle Stock

STOCK SPECIFICATIONS: Length: 9.00" (9.5" with optional buttpad) Weight: 10.4 oz (12.9 oz with optional buttpad and cheek pad) Mount Function: Folding - Left or Right - Straight Mount Height: 1.12"...

UNIVERSAL TELESCOPING STOCK

STOCK SPECIFICATIONS: Length: 2.0" - 8.625" Weight: 15.8 oz  Mount Function: Telescoping Mount Height: 1.33"  Mount Width: 1.22"  Distance between rails: 1...

Versa Stock

STOCK SPECIFICATIONS: Length: 9.5" Weight: 11.9 oz Mount Function: Folding - Left or Right - Straight Mount Height: 1.12" (excluding hinge) Mount Width: 1.00" (excluding...

XENO Modular Cheek Riser

XENO Modular Cheek Risers work with A3 modular stock and brace extensions. The riser mounts via traditional M-LOK mounting hardware and can attach anywhere along the length of the extension with up...

XENO TRIAD

The XENO TRIAD grip is a reduced angle AR-based grip, designed for compact weapons such as CQC-style tactical firearms. The near vertical nature of the TRIAD grip promotes an optimized wrist angle,...