Need an Hi Power Guru please. |
festus
04-14-2012, 08:39 PM
My Hi Power suffered a FTE today at the range.
I cleaned her well and would love to know about what it would take or cost to pull the extractor and change the spring/clean out the gunk. I am pretty sure this will cure my issues.
BTW the extractor pin is going to have to be removed by a gun elf, I busted a 1/16 punch following the armorers manual and drifted it right back in with a slightly larger punch untill it was flush again.
Man was I ticked off!
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jimfox
04-14-2012, 09:23 PM
Some of those pins ain't easy. :( I have new punch pins on order after some difficulty removing the ambi-safety pin on a post 1989 HP.
I would suggest a fresh can of carborator/brake cleaner areosol and a pleasant interlude outside. :D
If you need to replace the spring - there ain't no short cut that by-passes removing the pin.
festus
04-14-2012, 10:29 PM
Thanks for the heads up.
The sear lever and pin was a piece "o" cake but the extractor pin she no-a budge.
I am going to wally World to get some Gummout carb juice tomorrow. If i still have issues...it will go to my gun elf ralph.
bluedlightning
04-15-2012, 03:08 AM
A failure to extract, (FTE) can have several causes. 1. out of spec round. 2. dirty or scratched chamber. 3. broken extractor. 4. weak extractor spring. 5. dirty extractor hook. My personal oppion without seeing the firearm would be either out of spec round or crud behind the extractor hook. A good GI toothbrush will get the crud out and since it only happed once I would lean towrds a slightly out of spec round.
festus
04-15-2012, 11:35 AM
I was using Blazer Brass ammo (bulk)
festus
04-22-2012, 05:44 PM
Update...
I talked with a buddy who is a retired USAF Combat arms instructor/armorer...He told me that the Blazer Brass cases don't do well with Hi-power extractors due to the fact that they are a few thousandths of an inch lighter construction at the rim and 1-2 thousandths thinner wall thickness...This means that the case can expand in the chamber to the point of hanging up especially when the chamber is smoking hot from rapid fire.
I switched ammo and have had no further incidence in a few hundred rounds.
jimfox
04-22-2012, 08:49 PM
Update...
I talked with a buddy who is a retired USAF Combat arms instructor/armorer...He told me that the Blazer Brass cases don't do well with Hi-power extractors due to the fact that they are a few thousandths of an inch lighter construction at the rim and 1-2 thousandths thinner wall thickness...This means that the case can expand in the chamber to the point of hanging up especially when the chamber is smoking hot from rapid fire.
I switched ammo and have had no further incidence in a few hundred rounds.
Hard to argue with sucess.
Thinner rims would seem to allow the extractor hook to hold better? Although I'd agree thinner case walls would mitigate toward sticking - especially in a hot dirty chamber.
Was the extractor tearing the rims?
The only problem I've had in the Hi-Power with ammo was with some Olympic NATO spec ammo that left some primer particles to jam the firing pin, creating failures to fire. I did not have that problem with that ammo in other 9mms (Sig 226 and CZ 75), nor did I have other problems with the Hi-Power with any other ammo. ???
FWIW I've run probably a case of CCI Brass 9mm through 3 different Browning Hi-Powers with nary a blip. I have had two instances of 9mm Blazer (aluminium case) ammo where the primers were loaded sideways in the pocket. Both instances were from the same box of ammo. And the other 998 rounds from that case fired without problem. :psycho:
festus
04-23-2012, 04:46 PM
you guessed it chunks missing out of rim from extractor bite...
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