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Stevens 418 Walnut Hill (Read 1503 times)

txhunter Newbie Offline Posts: 9 Location: Burleson, Texas Joined: Oct 3^rd, 2007	Stevens 418 Walnut Hill May 19^th, 2022 at 10:10pm	Print Post
	Hope someone can help me here. My Stevens 418 Walnut Hill is doing a lot of misfiring. the only thing I can see is the firing pin does not appear to be sticking out very far. Like the pin is worn down. The only place I could find parts listed was Gunpartscorp.com and it lists it as used and out of stock. Does anyone know anywhere else to get parts? Or maybe the specs of the firing pin to have one made? Thanks

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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #1 - May 19^th, 2022 at 11:44pm	Print Post
	Does this model have the firing pin striking the rim at 9:00? Wisners has firing pins for the 1915 Favorite. The 418 was essentially a tuned-up 1915. (You need to *Login* or *Register* to view media files and links)

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gnoahhh Oldtimer Offline Posts: 829 Location: Gaithersburg, MD Joined: Mar 31^st, 2010	Re: Stevens 418 Walnut Hill Reply #2 - May 19^th, 2022 at 11:58pm	Print Post
	I think you're on your own. Stevens firing pins are pretty simple and easily fabricated. Conversely, building up the tip of the original firing pin with a suitable weld is a viable alternative, and then filing/stoning it to shape. Guys have been executing such fixes for a century-and-a-half now. The alternative is to watch eBay or somesuch for half of the rest of your life in hopes of snagging one.


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gnoahhh Oldtimer Offline Posts: 829 Location: Gaithersburg, MD Joined: Mar 31^st, 2010	Re: Stevens 418 Walnut Hill Reply #3 - May 20^th, 2022 at 12:02am	Print Post
	Thanks, Phil. I always forget about Wisner and his solutions to many esoteric parts problems.


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #4 - May 20^th, 2022 at 12:08am	Print Post
	That's why I asked if the pin hits at 9:00. If it does, it's a unique part. If it's the 6:00 pin, it'll be identical to the 1915 Favorite, I'm 99% sure. Either way, I can rough one out from O2 that he can finish with files, if it comes to that Phil

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Sure shot Oldtimer Offline Posts: 913 Location: East central Iowa Joined: Jun 22^nd, 2020	Re: Stevens 418 Walnut Hill Reply #5 - May 20^th, 2022 at 4:48am	Print Post
	My 418 has a firing pin that strikes at 9 o’clock, I am guessing a new made 1915 favorite firing pin might be a little short.


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #6 - May 20^th, 2022 at 5:01am	Print Post
	Before we go too far, it would be worth taking the pin out and thoroughly cleaning the channel. Might just be gunk piled up at the front.

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txhunter Newbie Offline Posts: 9 Location: Burleson, Texas Joined: Oct 3^rd, 2007	Re: Stevens 418 Walnut Hill Reply #7 - May 21^st, 2022 at 8:33am	Print Post
	Yes, it strikes at 900. Building up the tip was my thought too. Just wasn't sure how much. The specs would be nice to have otherwise it would be trial and error. Thanks for the replys.

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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #8 - May 21^st, 2022 at 9:03am	Print Post
	A long-standing method is to face off the remaining tip, drill into the body and insert a new tip made from the shank of a drill, sized to just fit the hole in the breechblock face. If you can make it a press fit, fine. If not, retain with Loctite. Protrusion with the back end of the pin flush with the back of the breechblock should be about .040 to .045. On no account should it be more than the depth of the rim recess. The 418 hammer should hit hard enough that you can leave the new tip round, just chamfer the edges a bit. If you still get misfires, dress off the sides to form a "chisel" shape. While you're at it, look to see if any of the rim recess under the firing pin has been peened, forming a bulge into the chamber. There are tools to fix this. Do not just file it off.
	« Last Edit: May 21^st, 2022 at 9:10am by uscra112 »
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yamoon Oldtimer Offline NRA Life, ASSRA , GGCA, MCA Posts: 905 Location: Junction City Kansas Joined: Feb 11^th, 2012	Re: Stevens 418 Walnut Hill Reply #9 - May 21^st, 2022 at 11:30am	Print Post
	I have the same problem on another rifle, what is a firing pin protrusion specs? Thanks Mike


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #10 - May 21^st, 2022 at 3:33pm	Print Post
	Another .22 rimfire?

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yamoon Oldtimer Offline NRA Life, ASSRA , GGCA, MCA Posts: 905 Location: Junction City Kansas Joined: Feb 11^th, 2012	Re: Stevens 418 Walnut Hill Reply #11 - May 22^nd, 2022 at 11:39am	Print Post
	No, it is a center fire. Mike


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uscra112 Frequent Elocutionist Offline Posts: 4079 Location: Switzerland of Ohio Joined: May 7^th, 2007	Re: Stevens 418 Walnut Hill Reply #12 - May 22^nd, 2022 at 5:53pm	Print Post
	Typically .050 to .060 inches.

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