AR-M5F Installation Service

AR-M5F Rail System Installation Service. This allows customers to send in their Arsenal milled receiver rifles and have Arsenal install the AR-M5F rail system. Note this is for Arsenal, Inc. milled receiver rifles only! Contact us if you're not sure if your Arsenal rifle qualifies for this service.

  • MSRP: $449.99
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  • California Consumers

    6pt.pngCalifornia Proposition 65 Warning

Arsenal offers installation service for the AR-M5F Rail System on Arsenal milled receiver rifles. The AR-M5F rail requires machining to install, so why not let Arsenal's professionals handle it?

The AR-M5F Rail system attaches to the rear sight block and receiver and adds 20 rail slots to the top of your rifle. This service includes purchase of the AK-650B AR-M5F rail. No need to purchase separately. If you already own the AK-650B rail, choose the labor only option and send it in with your rifle.

Please use our Warranty / Custom Shop Form to start the RMA process so you can ship your firearm to us.

*NOTE: This service may take as long as 3 months to complete!
This service requires us to repurpose and retool a CNC machine to perform the modification. This is a half day operation just to set up the equipment. Therefore, in order to keep the cost of this service reasonable, we will need to hold orders until we have at a minimum three units waiting for conversion. The maximum time we will hold a unit is three months, regardless of how many are waiting for modification.

After submission of your order, you will be contacted by an Arsenal representative within 2 business days. They will confirm your order and issue you a Return Authorization Number (RMA) and provide shipping instructions.

California Proposition 65

WARNING: None of the firearms manufactured or imported by Arsenal Inc. are manufactured or imported with the intent to be sold in CA.  Nevertheless, be advised that some products sold on this website and/or manufactured by Arsenal Inc. can expose you to chemicals, including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to

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