This accessory rail attaches to the hand guard of the Accuracy International AX308 rifles, AXMC rifles, and AXAICS chassis. 

The Short variant is for use with AX handguards that have 11 keymod slots on the bottom face. 

The Long Variant is for use with AX handguards that have 14 keymod slots on the bottom face.

This rail allows attaching accessories to the rifle, and the rifle to a tripod, with standard Arca/RRS 1.5" dovetail clamps.

Specifications for Short Rail:
Overall Length:  9.2"
Height: 4.9 0z; with fasteners
Finish:  Type 3 Hardcoat Anodize
Color:  Matte Black

Specifications for Long Rail:  
Overall Length:  11.625"
Height: 6.1 0z; with fasteners
Finish:  Type 3 Hardcoat Anodize
Color:  Matte Black