Gun Report

Olympic Arms K40 .40 S&W

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We liked the collapsible stock and good trigger pull, plus thecontrols all being easily accessible to the shooter without movinghis controlling hand. We found the K40 had distinct ammopreferences.

Olympic Arms K40 .40 S&W

Gun Details

Model Name
Model Number
Caliber Plus Cartridge
Weight Unloaded
Length of Pull
Action Type
Action Finish
Barrel Finish
Trigger Pull Weight

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All the controls were familiar, but the magazine was a bit different. Oly may be going to another magazine soon, which will hold the bolt open after the last shot. This one doesn’t. Uppers alone are also available, with or without the handle, and with the proper magazine.
We’ve never seen the likes of these parts inside an AR-15 before. The K40’s blow-back bolt worked perfectly with the magazine, though the bolt didn’t lock open after the last shot. Function was perfect, though.

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