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Author Topic: H&R Model 158 Won't Fire  (Read 484 times)

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Offline rdryman

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H&R Model 158 Won't Fire
« on: April 05, 2013, 12:54:15 PM »
Hoping someone can provide advice on a "project gun" I bought from a pawn shop cheap.  This is a Model 158 in 16 Gauge made in 1965 according to serial number.  The hammer will not drive the firing pin to make contact with shell.  I have disassembled the receiver and the firing pin is not broken and the firing pin spring looks new.  I suspect the hammer spring may have weakened if its the original.  This gun does not appear to use a striker or lifter assembly.  Could anything other than a weak hammer spring be the cause of the problem?  Thanks.
 
Bob
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Offline quickdtoo

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Re: H&R Model 158 Won't Fire
« Reply #1 on: April 05, 2013, 01:20:25 PM »
Order a Wolff extra power double coil hammer spring, the usual cure for misfires/no fires. Transfer bars didn't happen until the late 70's.

Tim

http://www.gunsprings.com/index.cfm?page=items&cID=2&mID=27

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Offline rdryman

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Re: H&R Model 158 Won't Fire
« Reply #2 on: April 06, 2013, 04:19:43 AM »
Thanks Tim.  I have one of those on the way and with any luck that will fix any issues. :)
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Offline gcrank1

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Re: H&R Model 158 Won't Fire
« Reply #3 on: April 06, 2013, 11:28:18 AM »
How about the firing pin protrusion? Did you take the firing pin out, clean the bits and channel, etc.? If not, you really should. Some kind of 'dry-lube ' in there would be a good idea too.
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