I'm starting with a rock island g.i. model as a base. I have a new firing pin and spring from wilson combat, I ordered the wrong recoil spring got a officers model 24.lbs spring need a gov. 5 inch spring(on next order)I have 100 rounds of double tap 135 grain 40 super and 100 new brass and a set of redding dies. A wilson heavy duty extractor and a storm lake barrel 5.72 inch ported, a busching a couple of links of different size to be delivered on 4/20/12. When I get the barrel pics and a range report to follow