17 shooter
12-30-2009, 08:32 PM
http://i348.photobucket.com/albums/q358/ncvarhtr2008/Model720Turbocartridge006.jpghttp://i348.photobucket.com/albums/q358/ncvarhtr2008/Model720Turbocartridge001.jpg Finally finished my 20 VT Turbo (with the full length neck) got some cases fireformed and chronographed some loads...On the left is the regular .222 brass, in the middle is a case ready to fireform and on the right is a fully fireformed case with the 30 degree shoulder and body blown out sized and loaded. The rifle is a Model 7 Stainless with a #4 Pac-Nor barrel with a 1 in 11 twist. The barrel is 21 1/2"...When I chronographed the loads with the 39 Gr. SBK I couldn't believe the velocity. I was getting 3776 fps and I was a full half grain below the recommended maximum from TK....Sweet