Called Christenson Arms to find out about my Break,they assured me I could take it off with no issues,showed me how to doit and wala ,it's off,ordered EC Tuner and installed and very first 3 shot group was 1/2" at 100 2 shots touching and the first was the on awway ,adjusted to #5 with 3 shot groups at each # and at #5 all 3 are touching in a very small clover leaf, will work with it more as went to small rifle primers in 6 creed cases opened up to 6.5 wit Stabull 6.5 and 147 ELD's, Pete