Ultimate Reloader | Yankie Duncan | Activity https://ultimatereloader.com/members/yankie/activity/ Activity feed for Yankie Duncan. Tue, 08 Sep 2026 03:26:58 -0800 https://buddypress.org/?v= en-US 30 hourly 2 aa2c881bd2b1b8c9ddf6ca413bbb2170 Yankie Duncan replied to the topic 7mm BC chamber finish in the forum Questions for UR PRO LIVE https://ultimatereloader.com/pro/discussion/topic/7mm-bc-chamber-finish/#post-22012 Thu, 16 Jul 2026 23:40:17 -0800 Do you know of anyone using a non standard SAAMI reamer with just a couple of thousand per inch more taper?

]]> 7e9558406aec17b6924e4b22c2cd54ef Yankie Duncan started the topic 7mm BC chamber finish in the forum Questions for UR PRO LIVE https://ultimatereloader.com/pro/discussion/topic/7mm-bc-chamber-finish/ Mon, 29 Jun 2026 12:59:59 -0800 I am having extraction issues with a recent 7mm BC build on an older Remington 700 action with a new Bartlein barrel. Using fresh recently produced Federal Ammo, 170 TA, 155 TA and the 175 Fusions. Do you have any recommendations for finishing 7mm Backcountry chambers? Should the chamber be polished differently than traditional cartridges? Any…Read more

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