The Lyman 525 is my go to home rolled slug that I initially used with my Savage 210 F rifled slug gun. I got more that satisfactory results with this combination.
I picked up a 20 in. rifled barrel for an older 870 that we had (when they still made them right) and my number one son used that during our shotgun/muzzleloader season when we did midday pushes. Number two son had to use the 30 in. smoothbore that a Mossberg 500 wore, that is until now. I picked up a 24 in. rifled ported cantilevered barrel for that gun and decided to try to sight it in recently. I originally put a red dot sight on the gun but was dissatisfied with it at the range during bright sunlight, I could barely see the dot on max. illumination so I stuck on a cheapo Weaver 4X Challenger scope I had kicking around.
The initial sight in at 25 yrds. just about floored me, not only was I on paper , I darn near hit the bull ( no boresighting or anything).
I moved out to 100 yrds and after raising the point of impact high and left I proceeded to try for a 100 yrd group.
The load was the Lyman slug wax filled base, WW components, hull, 12AAR wad with a fiber disc under the wad and 32 grs. of Herco.
The final volley yielded under 2 in. group.
Im sure better optics would even improve things more.
25 yrd.
100 yrd. first attempt
100 yrd. final
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