F5-ACR Stock for MP5 & MP5 Clones – Tactical, Adjustable, Duty-Ready

Designed for Professionals. Trusted by Enthusiasts.

The F5-ACR Stock is the ultimate upgrade for the MP5 platform and popular MP5 clones such as Zenith, PTR, Century Arms, and more. Whether you’re a law enforcement operator, a tactical enthusiast, or a clone builder, this stock delivers mission-ready performance, versatile adjustability, and precision-crafted durability.

Precision Construction & Tactical Engineering

Crafted from 6061 billet aluminum on state-of-the-art 5-axis CNC machining centers, the F5ACR Stock offers uncompromising strength and reliability. The robust chassis and adapter are built to endure harsh field conditions while maintaining a tight, stable fit on your firearm.

7-Position Telescoping & Folding Stock

• Constructed from high-impact Nylon 6-30% polymer with a durable rubber butt pad for recoil control.

• Seven length-of-pull positions ranging from 11″ to 14″ for a customized, ergonomic fit.

• Folds to the left with a locking detent system for secure storage and rapid deployment—perfect for vehicle carry, low-profile storage, or CQB scenarios.

Optics-Ready with Adjustable Cheek Riser

• Features a ½-inch adjustable cheek riser to improve optic alignment with red dots, LPVOs, or night vision setups.

• Enhances shooter comfort, accuracy, and stability—ideal for dynamic movement and precision shooting.

Multiple Sling Attachment Options

• Integral webbing loop for traditional sling setups

• Ambidextrous QD sling mounts for left- or right-handed shooters

• Single-point sling loop for tactical applications and rapid transitions

Available in 4 Cerakote Finishes

• Black

• Flat Dark Earth (FDE)

• OD Green

• RAL 8000

The Ultimate MP5 Stock Upgrade

Whether you’re running a Zenith ZF-5, PTR 9KT, Century Arms AP5, or standard MP5, the F5ACR Stock provides the fit, finish, and functionality professionals demand. From law enforcement operations to range days and personal defense, this stock is engineered to deliver elite-level performance across all platforms.