The Weaver 2.5-7 RF I mounted on my RWS 54 is airgun rated too, but it "two grouped" on me. Works fine on my 10/22. The 54 is "recoiless" with opposing pistons, but vibrates pretty good. Put the Sparc2 back on and groups returned to normal.
A Bushnell Trophy XLT 4-12 AO went at least 1000 rounds on that 54 before I pulled it off to kill a deer on a .243. Now sits on a CZ 455 SS.
Last edited by Pappy348; 08/23/19.
