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Found 2 results

  1. Hello, Recently, I sent a brand new Tanfo Stock II over to Patriot Defense for their patented tuneup and barrel reaming. They also installed the extended firing pin, titan hammer, bolo, one piece sear, and Xtreme trigger. Out of the box the trigger was PHENOMENAL, both in DA and SA. Unfortunately, the first range trip was plagued with failure to feeds, and a weird "ca chunk" whenever the slide cycled. After perusing the forums here, it seemed I needed to chamfer off the breechface edge and polish the breechface. I got in contact with PD and they confirmed it was probably the breechface edge issue and gave the go ahead to chamfer the edge while also telling me Tanfo's need a 1000 rounds to break in. They even stated there were no issues when it was test fired at their facility? I chamfered off the edge and breechface little by little like everyone suggested until the failure to feed issue stopped, but the "ca chunk" continued. Thinking this issue stemmed from the wolff 8lb standard recoil spring, I tossed in a wollf 10lb standard spring to no avail and a factory 14lb spring which yielded the same result. After noticing weak ejection with softer ammo and sometimes rounds getting stuck with the slide out of battery, I bought a new extractor with the (9) stamp and an XP extractor spring to cross this off the list (the original had a bunch of machining marks and no (9) stamp). Next range trip, the "ca chunk" continues and within 100 rounds two were somehow stuck in the chamber while the slide was 1/8"- 1/4" out of battery. I had to take the gun apart to get the rounds out since the slide was stuck. This makes me think there is something wrong with the barrel after it was reamed, maybe. The mags I am using are brand new K9s. The issue happens with all mags (12) and all ammo. Everyone that has seen it in slow mo and shot it agrees it's not cycling right. Any thoughts??
  2. I recently bought some Chip McCormick 10 round mags for Single Stack minor in my Taurus PT1911. I loaded some 185 gr fmj swc to 1.19 and a few to 1.250 and the first 2 rounds nosedive into the feed ramp, 3rd round feeds with a hesitation before going into battery. 6 rounds or less in the mag and they feed perfectly! Investigation shows a 1/4" or so gap between the bullet end of the rounds till it gets down to 6 rounds in the mag then the rounds seat parallel. Feed lips match those on my Wilson 47D's. The 47D's also have a pronounced gap between the first few bullets but feed correctly. BTW, the gap between rounds is also there with 230 fmj ball. Can't see any scuff marks on the cases indicating a sharp edge on the lips dragging on the case. Any ideas on how to get them to feed?
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