zdog Posted February 17, 2011 Author Share Posted February 17, 2011 (edited) I use the 11 degree kit from Brownell's for all my guns. There is no magic forcing cone angle, the same as there is no magic muzzle crown angle. What really matters is that it is smooth and concentric to the bore. For the forcing cone you want it not too big and not too small. There are gages for that but it's not real critical to have a certain exact size. If you smooth it out with the 11 degree cutter just till it cleans up you will be fine. Would you explain how you can clean out a 18 degree forcing cone with a 11 degree cutter please? ZDog Edited February 17, 2011 by zdog Link to comment Share on other sites More sharing options...
Toolguy Posted February 17, 2011 Share Posted February 17, 2011 (edited) The 18 degree is a steeper angle so the 11 degree makes the forcing cone a little longer. You simply cut with the 11 degree until it reaches the same diameter at the back of the forcing cone as the original. You have to use the correct pilots on each end to keep the cutter centered in the bore. Edited February 17, 2011 by Toolguy Link to comment Share on other sites More sharing options...
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