MHA Custom LLC Pistolsmithing

MHA Custom Arca Swiss / RRS Rail interface for AXAICS Chassis

  • Ok all you PRS guys shooting an AI, here's a great option to give you a full length RRS/ Arca Swiss rail for your bipod to mount to. The MHA Custom rail is here and in 2 lengths!
  • Available in 2 lengths, 9.25” and 11.7” to accommodate both the short and long forend tubes
  • 100% made in the USA from US 6061T6 aluminum. The MHA Custom rail fits the Accuracy International AXAICS octagonal forends like a glove!
  • Type 3 hardcoat anodized for a long life, the MHA Custom AI rail attaches using the Accuracy International factory key lock screws.


Now available from MHA Custom we offer a RRS dovetail interface rail to fit your Accuracy International rifle. These rails fit the AX rifle chassis with the octagonal forend tube and allow full length attachment of Arca Swiss / Really Right Stuff dovetail attachments such as bipod mounts or barricade stops.

These rails come in two different lengths, 9.25” and 11.7” to match the two lengths of tubes available on the AX chassis. Another nice feature is that the longer rail will attach to either the long or short tube allowing an extended interface even on a short tube rifle chassis.

These rails are made in North Carolina in the good ‘ol US of A from US made 6061T6 aluminum and then Type 3 hardcoat anodized to protect them during hard use.

The rails attach using the AI factory key lock screws from the factory picatinny rail section you put this rail in place of.


$175 for the 11.7" rail, and $150 for the 9.25" one.

We have a few rails that have cosmetic blemishes that do not affect the function of the rail in any way. These are available at a $25 discount.

Choose Rail Length
Do you want one with cosmetic blemishes, if available?