The Colt Monitor, officially the R80, was a 1931 development of the BAR tailored for law enforcement. Modifications included removing military features, shortening the barrel to 18 inches, and adding a pistol grip and Cutt's Compensator for recoil management with the .30-06 cartridge. Its high cost limited adoption, with the FBI acquiring around 90 units.
The Colt Monitor, a rare variant of the BAR, was developed for law enforcement to counter early vehicle armor. It features a Cutts compensator for recoil management of the .30-06 round in a lighter 16lb frame. Despite its advanced design for the era, its high cost limited production to around 125 units, with the FBI being a primary adopter.
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