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Author Topic: GPR Hammer Position  (Read 572 times)

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Offline two snakes

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GPR Hammer Position
« on: October 27, 2004, 02:27:04 AM »
On my GPR I notice my hammer does not center on the nipple, it just barley goes over the nipple.
Yesterday at the range I was using a hot shot nipple an the hammer would not slam all the way, it caught the edge of the cap.  Shot this last year and I didn't have this problem.  Changed back to the nipple that came with the rifle .  Is this normal for the GPR?
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Offline crow_feather

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GPR Hammer Position
« Reply #1 on: October 27, 2004, 04:10:56 AM »
I've seen many hammers not strike directly on the nipple of GPR's.  The difference between the two nipples might be the thickness of the metal surrounding the flash channel.  Usually, I just use a file to thin the metal until the hammer fits.

Best of luck and welcome to Greybeard,

C F
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Offline lostid

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GPR Hammer Position
« Reply #2 on: October 27, 2004, 08:12:15 PM »
Yes, it's normal for the GPR to have nipp problems. Usually the "hammer fall" problem is from  OVER TIGHTENING the lock side screw!

 Black Powder rifles aren't cannons,,it's just a simple gun. After cleaning, the lock should fit in it's mortise with just thumb pressure. Then the side screw set just too hold the lock in place(inch-pounds of torque) and no more. If you tighten that screw really snug,,,then the hammer is forced too the side,it'll never hit any nipp proper then!

 It's a gun,,so every thing needs to be really tight right??(wrong),.I'd almost ask what "hot shot" nipp.? but it doesn't matter. Theres about 4-5 that make after market nipps for the Lyman/Gp models,,Knights' "red-hot" in 6mmx.75mm works great. I've been there/here,,done it,,know it..seen it 100 tymes. Back the screw off the lock.,,,,,,,,,,

luck to ya,
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Offline lonewolf5347

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GPR NIPPLES
« Reply #3 on: October 28, 2004, 12:51:33 AM »
I FOUND THE AFTERMARKET NIPPLE LIKE THE HOT SHOT ,UNCLE MIKE 'S ALL
WILL GIVE YOU A PROBLEM.I FOUND A COMPANY CALLED THUNDER RIDGE  HAS THE CORRECT NIPPLE FOR THE GUN.
THE LENGHT OR SHAFT ON THE AFTERMAKET NIPPLE IS TOO LONG AND WILL ALSO INTERFERE WITH THE 1/2 COCK POISITION WITH THE HAMMER
I CAN TELL YOU IT TOOK TWO TRYS (SHIPPING) TO GET THE CORRECT NIPPLE
http://websearch.cs.com/cs/boomframe.jsp?query=THUNDER+RIDGE&page=1&offset=0&result_url=redir%3Fsrc%3Dwebsearch%26requestId%3D2362268904a1d059%26clickedItemRank%3D2%26userQuery%3DTHUNDER%2BRIDGE%26clickedItemURN%3Dhttp%253A%252F%252Fcap-n-ball.com%252Fthunder%252F%26invocationType%3D-%26fromPage%3DCSroll%26amp%3BampTest%3D1&remove_url=http%3A%2F%2Fcap-n-ball.com%2Fthunder%2F
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