Heritage Arms offers an effective adjustable scope base for Long range shooting and ELR applications. This system mounts to a MIL-STD-1913A Picatinny rail and is available in Minutes of angle as well as Milli Radian.

This system allows you more adjustment for elevation than your scope turrets, all while keeping your line of sight through the center of your optics. This product is NOT cartridge specific, just use any one of many quality Ballistic calculators, dial your needed elevation and shoot. We have customers shooting from 17 rimfire to 50 BMG, some reaching out to near 4500 yards.

We offer a lifetime warrantee for material and workmanship as well as a money back guarantee.. Altered , damaged or modified products not covered under this guarantee.

While this was designed for high powered rifle applications other uses have been tested and used for
Air rifles
Paint ball markers
Cross bows
And even mounting GPS guidance systems on unmanned mining equipment

It was designed to eliminate the problems associated with distortion caused by “bending” light through as many as (10) lenses within modern scopes. 

Today, every major scope manufacturer, offers a wide selection of, “bullet drop compensating” reticles, and “custom” turrets. The problem with these expensive features is that they are only correct for ONE cartridge, with ONE bullet weight, at ONE velocity.

The M.R.A.B. system is not cartridge specific, it is Mil Radian specific. The M.R.A.B. can be mounted on any rifle fitted with a full-length Picatinny Rail, chambered for any cartridge from, .17RF to the .50 BMG.

For the M.R.A.B. 144 base, a 3/8″ diameter clearance hole is required through the mounting Picatinny rail that is attached to the receiver, this allows the longer elevating screw a place to proturde into when at Zero.

Now with precision ground elevating threads for improved accuracy.

Cold Shot LLc’s Adjustable Base, M.R.A.B. adjustable scope base system, must be attached with a MIL-STD-1913 Picatinny rail. Failure to use this MIL-STD base is the #1 cause of failure or inaccuracy in the MOAB/MRAB system.

Brand Heritage Arms

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