Cross Armory CRSL Stock Lock — 7075-T6 Aluminum, Black

The Cross Armory CRSL Stock Lock converts an adjustable AR-15/M4 buttstock into a fixed-position assembly without permanently altering the host firearm. It is machined from 7075-T6 aluminum and finished in black to provide a low-profile, durable surface. The unit secures the adjustable buttstock to the buffer tube and ships with the required Allen wrenches for installation. Designed for AR-15 style platforms, the Stock Lock installs at any point along the buffer tube rather than being limited to roll-pin holes.

Key Specifications

• Compatible with AR-15 style firearms.
• Machined from 7075-T6 aluminum for strength and durability.
• Finished in a black finish for a low-profile appearance.
• Secures an adjustable buttstock to the buffer tube in a fixed position without permanent modification.
• Includes two Allen wrenches for installation.
• Can be attached at any point on the buffer tube, not only the pin holes.
• Product type: Stock Adaptor / Stock Lock.

Compact and mechanically straightforward, the Cross Armory CRSL Stock Lock is a practical option for owners who want a stable, low-profile fixed-stock configuration while retaining the ability to restore the original adjustable stock later. Its billet 7075-T6 construction and simple installation make it a durable, user-friendly accessory for AR-15 platforms.