BCA Anti Reversal Latch Compression Spring Modification Kit KJ Works (KJW) Includes removable and adjustable rear

Includes removable and adjustable rear sight

Special projects may take longer and wait times are given as part of the consultation process

The Valken 36" Tango Rifle Gun Case is a tactical gun case perfect for storing and transporting your firearms

6mm bearing metal gearbox with steel gear set

BCA Anti Reversal Latch Compression Spring Modification Kit KJ Works (KJW) Includes removable and adjustable rearIn a well tuned gearbox, the gears, piston, and other main components should almost never fail. For many years however, the failure of the simple anti reversal latch spring remained a difficult issue to resolve as no matter what brand spring was used, there was always a chance of failure due to the design and cheap spring metals used by all companies. What we have done developed a modification kit for VFC V2 gearboxes (but will fit some others as