The only reason to go with a "caliber specific" scope is if you want a BDC reticle that's calibrated for that round's trajectory or you want an elevation turret that's calibrated for the same. For a little 17 HMR I'd put the extra money towards a better quality scope than I would one of these barely useful features. The little 17cal bullets get blown around too much and run out of gas around 300 yards, and really it's not all that effective on game past 200. IIRC (it's been awhile) the drop from 100 to 200 for a 17gr ballistic tip bullet is like 3 inches which is a measly 6 clicks on a 1/4 minute turret.
As for Barska, I wouldn't use one to wipe my.... For the money you're looking to spend I'd suggest a Vortex Crossfire 4-12x. They've proven to be a very good scope for the money and it's available with a couple different reticle options.
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