- PICATINNY (1913) MOUNT - standard A3T hinge or SIG hinge
- 12 DIFFERENT EXTENSIONS FOR CONFIGURING DIFFERENT LENGTHS AND OFFSETS
- A3T HINGE CAN FOLD RIGHT OR LEFT
- POSITIVE LATCH IN FOLDED AND OPEN POSITION
- 4 BUTTPAD OPTIONS
These Modular stocks are designed for firearms that already have a rear Picatinny rail. They are available in multiple configurations to customize your stock for just about any application. Ships with any one of our 12 different extension arms and any of our 4 different buttplates.
The A3 Tactical hinge can be mounted to fold left or right, and latches in both the open and closed positions.
The offset extension arms are available in straight or offset, and in 6 different lengths. The offset extensions allow the user to configure their stock in 4 different setups as shown in the appropriate product images. This allows the user to raise or lower their cheek rest, avoid obstacles like side charging handles or ejection ports, and raise or lower the buttplate.
All components are machined from aluminum and anodized low-gloss black. Made in the USA!
NOTE: SIG MPX/MCX require use of Sig hinge to clear the rear charging handle. Additionally, any application that needs an offset hinge or a more compact hinge, select the SIG hinge for these applications.
NOTE: Extension lengths are actual length of the extensions. To calculate overall length, use the following INFO:
| ITEM | LENGTH TO ADD |
| -Hinge | +7/16" |
| -Minimalist buttplate | + 1/2" |
| -A3 aluminum buttplate with rubber buttpad | + 11/16" |
| -Aluminum buttplate with Magpul buttpad #1 | + 1-3/8" |
| -Aluminum buttplate with Magpul buttpad #2 | + 1-5/16" |
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HINGES: A3T 1913 HINGE - Our proprietary A3T hinge is machined from 6061 aluminum and can be mounted in the standard configuration to fold left, or flipped 180 degrees to fold right. The hinge utilizes a positive spring-lock for both the open and closed position, allowing the user to simply and quickly release the brace from either position by simply pushing a button. SIG 1913 HINGE - The SIG hinge is investment cast from 4140 steel and offset downward. This feature is great if you need to clear the rear charging handle on some firearms, such as the SIG MPX or MCX. These hinges also have a more compact mounting point, which is ideal if you have a very small rear Picatinny rail. NOTE: due to the downward offset built into the SIG hinge, it is usually not possible to flip these upside down for RH folding. |
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EXTENSION ARMS: Our extension arms are available in both straight or offset configurations. Straight extensions simply extend rearward, positioning the brace end in line with the hinge point. Offset extensions offset one end 1.25" from center. Each end is symmetrical, allowing the user to mount it in 4 different positions as shown to the right. These offsets can be used to clear objects such as an ejection port or charging handle, raise/lower a cheek weld for different height optics, or position the brace end higher or lower to suit your shooting preference.
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All extension arms incorporate M-LOK slots along the full length of the arm. This allows the user to mount a QD (Quick-disconnect) sling mount anywhere on the extension, or any other M-LOK accessory. |
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| CHEEK RESTS: We have 2 different cheek rests available for the PICATINNY folders - the clamp-on, non-adjustable cheek rest, or our XENO Modular cheek rest. The clamp-on is a fixed-height polymer rest measuring 4" long that raises the cheek rest 1/2". The Xeno Modular Rest can raise the cheek rest 5/8", 7/8", or 1-1/8". The XENO mounts via M-LOK and also has an offset that allows the cheek rest to be positioned 1" offset of the mount, if necessary. The XENO has an aluminum mount with injection-molded Polymer spacers and cheek rest.
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All components are machined from aluminum and anodized low-gloss black. Made in the USA!
