.22 caliber, or 5.6 mm caliber, refers to a common firearms bore diameter of 0.22 inch (5.6 mm).
Cartridges in this caliber include the very widely used .22 Long Rifle and .223 Remington / 5.56×45mm NATO.
.22 inch is also a popular air gun pellet caliber, second only to the ubiquitous .177 caliber.

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  1. J

    90's Marlin model 60 .22 LR

    It's in good shape missing a screw but in working order asking 125 obo
  2. echo1

    Bubba and the .22

    Bubbas work never done. Here's an old group picture of most of Bubbas semi .22s. On the bottom is an AR7. They have a poor reputation with feeding issues, which is from folks using the mag as a rest. On mine, I put a strip of sticky backed Velcro on the bottom of the mag well, to keep slight up...
  3. O

    Umarex Ruger Impact Max .22 Rifle Issue

    I need to remove the factory optics rail from the gun. Remover the 4 hex bolts, the rail now slides back & forth but will not separate from gun. the grooves do not reach the barrel break or the rear cap. Tried spreading the base wit needle-nose pliers but the cast aluminum material won budge...
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