Lots of reasons - trying to minimise propellant/gas noise whilst increasing performance over a 22LR. Super useful if you don't have the funds to buy a 17 HMR but have a 223. Not sure about the OP's...
Type: Posts; User: Steelisreal
Lots of reasons - trying to minimise propellant/gas noise whilst increasing performance over a 22LR. Super useful if you don't have the funds to buy a 17 HMR but have a 223. Not sure about the OP's...