B&T ATLAS ACS/STR PICATINNY RAIL ADAPTER

The B&T ATLAS ACS/STR Picatinny Rail Adapter (BT52) is a precision-machined adapter designed to add a MIL-STD-1913 Picatinny rail to Magpul ACS and STR buttstocks. It enables the installation of Accu-Shot Precision Rail Monopods (PRM), providing a stable rear support for precision shooting.
The adapter replaces the factory polymer insert in compatible stocks and installs without permanent modifications. Manufactured from 6061-T6 aluminum with a Mil-Spec Type III hard-anodized finish, it offers excellent durability and corrosion resistance while maintaining a lightweight profile. All required mounting hardware is included.

SPECIFICATIONS:

• Compatible with Magpul ACS and STR stocks
• Adds a MIL-STD-1913 Picatinny rail
• Designed for mounting Accu-Shot PRM monopods
• Precision-machined 6061-T6 aluminum construction
• Mil-Spec Type III hard-anodized black finish
• Two-piece adapter design
• No permanent modification of the stock required
• Includes mounting hardware
• Weight: approximately 28 g (1 oz)
• Made in the USA