last month I was pierced my 33xc round primer at 3200fps load with my AXMC. Shipped my bolt and firing pin to LRI for bushing and got it back yesterday. Loaded same load today and no more piercing.
$250 shipped - 50 rounds count
FS 300 prc proof cf prefit 26” for TL3 long action 1/9 twist. I’m helping my good friend selling this.
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He bought it new from SH vendor here. The barrel just don’t group. We tried a box of factory ELD 225gr match round, we loaded with h1000/ADG...
I just shot my 33xc on my AXMC over the pass weekend. I pierced few primer even at low node. The range master who also a gunsmith suggested me send my bolt with firing pin to LRI for bushing. He told me a lot of AI with large firing pin having this issue.
My initial testing with 112gr Barnes
Imr 4895 31gr, seating depth just touch the land. ES 12 over 5 shot at 2835fps. We test again with 20 more rounds.