Forward Controls Design Reinforced Locking Bar for ACRO P1 and P2 Black RLB ACRO. Constructed from rugged 4140 steel with a durable zinc phosphate coating. This reinforced locking bar addresses a common point of failure on the Aimpoint ACRO platform. The FCD Reinforced Locking Bar includes all hardware needed for installation including an easy-to-use slot head screw. This Reinforced Locking Bar is designed and built in the United States of America. Specifications for Forward Controls Design Reinforced Locking Bar for ACRO P1 and P2: Manufacturer: Forward Controls Design Color: Black Fabric/Material: 4140 Steel Red Dot Sights-Footprint: Aim Point Acro Features of Forward Controls Design Reinforced Locking Bar for ACRO P1 and P2 Reinforced Locking Bar for Aimpoint ACRO Corrosion-resistant zinc phosphate coating 18-8 stainless steel slot screw Compatible with original ACRO screw Addresses common failure point of the ACRO platform Package Contents: Forward Controls Design Reinforced Locking Bar for ACRO P1 and P2 Forward Controls Design RLB ACRO: Reinforced Locking Bar for ACRO P1 and P2 Black