Comments on: Cure Cratering Issues with a GreTan Firing Pin Hole Bushing Job https://bulletin.accurateshooter.com/2018/05/cure-cratering-issues-with-a-gretan-firing-pin-hole-bushing-job/ from AccurateShooter.com Wed, 26 Aug 2026 16:26:38 +0000 hourly 1 https://wordpress.org/?v=4.1.26 By: Mark in Upstate NY https://bulletin.accurateshooter.com/2018/05/cure-cratering-issues-with-a-gretan-firing-pin-hole-bushing-job/comment-page-1/#comment-55265 Wed, 30 May 2018 01:30:13 +0000 http://bulletin.accurateshooter.com/?p=59036#comment-55265 I bought a Ruger 77 in Six Ackley that was listed on the forums. Before shooting it I cleaned it thoroughly and the bolt was full of primer debris. Even starting hand loads would crater primers. The folks at GreTan worked their magic including redoing the entire bolt face. It is a great service performed by great people.

]]> By: ColoradoJim https://bulletin.accurateshooter.com/2018/05/cure-cratering-issues-with-a-gretan-firing-pin-hole-bushing-job/comment-page-1/#comment-55256 Mon, 28 May 2018 19:48:22 +0000 http://bulletin.accurateshooter.com/?p=59036#comment-55256 I had a Rem 700 factory bolt in 204 Ruger that they had a chamfer on the FP hole in the bolt face. Caused primers to crater even though pressure was low.

I sent the bolt to Greg, got quick turnaround and it fixed the problem. I couldn’t be happier.

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