This rail is for those that do not need picatinny slots at the end of their rail, this one has full arca. Ideal for the 580cc and 700cc bottles. 

Features:

• MLok slots at the bottom and on both sides of the rail for add-on accessories.
• Low profile, hugs closer to the bottle
• Sling QD slots on both sides
• 6061 T6 Aluminum 
• Black anodize
• From start of trigger guard until the end of rail is 15.75 inches x 2.75 inches wide

This rail has a full arca rail on the bottom for your compact FX Impact. It comes with an extended magnetic dust cap.

Features:

• Made of 6061 T6 Aluminum
• Black anodized
• Nylon tipped set screw to prevent rail from flexing against the bottle
• Overall length from trigger guard to the end is 11.25 inches
• M Lok slots on bottom and on the side for your go to accessories
• 1/4-20 threaded hole for camera tripod adapters
• Quick disconnect holes on both sides