A .22lr AS is a little more powerful. It's very similar to the .22 WMR
The Challenger II has an all steel frame and the Challenger III has an alloy frame; I don't know what the alloy is.
Anywhere between $750-2000
22LR is a industry standard, the other isn't
Between 300.00 and 335.00
colt diamond back is was made in 22lr & 38 special.with a ventilated rilb barrel. the colt trooper was chambered in 357mag. without a vent rib barrel.
22LR ammunition made to match specifications.
A 22LR conversion kit is available.
Between 1958 & 1959
22LR high velocity - MV= 1260 fps 17 HMR MV= 2550 fps A lot faster, huh?
Between 65-100 dollars on today,s market.
How or the 30rd mags for model 597 22lr doing
.22 Long was developed @ 1871, Uses the same case as the 22LR but with a 29 g bullet. ,22 Long Rifle developed by Peters Cartridge in 1887. Uses bullets in the 32-40 g range