ACRA Mount Adapter for Picatinny Bipods

or, how to mount my Picatinny bipod head to a Swiss ARCA rail

Every so often, we at Charlie's find ourselves in a situation where we just cannot find the right adapter, or existing adapters are way expensive. What should be an answer to a simple question:  I have a Cadex or Magpul or other bipod with a built-in Picatinny adapter, but my rifle has an ACRA rail all the way down the underside of my rifle's rail or stock.  Guess what?  There is no easy answer.

So, working with our friends at Potomac Armory and Gray Ops CNC, we put a Picatinny rail section on the GrayOps ARCA bipod clamp, which happens to have a 17s ARMS adapter, and made one.  We found one or two with large knobs that just did not meet the aesthetics, and the designer / machinist at GrayOps told us we needed a clamp and not a screw knob, and we looked at the precision work he does, and say, "wow, this is nice.  You know at Charlie's, we like to feature great ideas and great craftsmanship, and we like what GrayOps makes.

Highlights and Specs

• GrayOps Arca rail clamp with 17s lower slot connected to solid aluminum Pica tiny rail with 17s upper slot
• Quickly and reliably attach/detach your bipod via our adjustable tension throw lever
• Easy/ergonomic gripping of lever for attach/detach
• Throw lever design allows for adjustable tension settings from hard close, to soft close, and a few settings in between. 11 total lockable positions per full “Nut” rotation which adjusts the tension .002 per position
• QD Throw lever and all internal stress parts machined from Steel and are Black Nitride
• Main housing machined from 6061 Aluminum and hard coat black anodized
• Picatinny rail is aircraft grade aluminum with black anodized finish 17S Mounting Interface
• Stainless Steel Hardware
• Assembled by Potomac Armory, made from 100% Made in USA parts