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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #1  
Old 11-29-2012, 11:07 PM
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Default A bubba mosin build

Its been awhile since I did a rifle build. This will be my cheap precision build So what I did to my Mosin so far was relocated the bolt handle to the rear by welding on an ikea allen wrench to the bolt body and dremeled a notch in the receiver. Then welded on 5/16-24 grade 8 bolt to it since I don't own a lathe to thread it. I knocked off the rear sight and filed it down too. The scope rail is a cheap utg steel rail for a rem 700 that i got for $10. I drilled and tapped the front of the receiver and welded the rear of the rail to the receiver. You need to notch the rail in the back in order for it to clear the bolt where the old handle use to be. I also contoured the front to ease in loading. I JB weld bedded the front of the rail to the receiver. All I need to do now is cut, recrown, and tap the muzzle. If anyone has those tool I can borrow that would be most helpful. Then I need to find a cheap ati stock that I can hack it up and marine tex it. Pm me if you have one for sale.





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  #2  
Old 11-29-2012, 11:31 PM
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One man and his dremel! Nice dremel work the dremel really has to be one of the most versatile garage gunsmithing tools. I've actually heard stories about guys finishing 80% 1911 frames with dremels.
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Old 11-30-2012, 6:31 AM
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Sorry man, I can't bear to see that even on a mosin.
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Old 11-30-2012, 7:20 AM
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bummer 1938 tula. shoulda done a 1942 Izhevsk instead. do you have the og stock for it?
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  #5  
Old 11-30-2012, 8:25 AM
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what are you going to do for the barrel? Park or blue?
I've got mine down to bare metal right now too (was removing the chatter marks from my wartime 91/30) and haven't yet decided.
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  #6  
Old 11-30-2012, 9:37 AM
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Sold the stock.

I have some left over moly resin from my past builds so I might use that up. If I get bored I'm probably going to do a krylon camo job.
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Old 11-30-2012, 9:41 AM
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good idea on the ikea allen wrench haha
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Old 11-30-2012, 1:22 PM
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+1,000 on the IKEA wrench anyone here ever play Fallout 3 or Fallout New Vegas? That thing is gonna end up looking like a post apocalyptic hunting rifle... That's some mad max gun smithing!
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  #9  
Old 11-30-2012, 1:26 PM
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This thread alone would get you banned on a certain forum.
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  #10  
Old 11-30-2012, 1:27 PM
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Don't forget to add a UK-59 heavy/bull barrel.
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  #11  
Old 11-30-2012, 2:06 PM
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Quote:
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This thread alone would get you banned on a certain forum.
If this was my rifle I would post it over at GB, not only in the Workbench forum, but the Collector forum also!
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  #12  
Old 11-30-2012, 2:12 PM
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To OP, I like the scope mount you fabricated. It looks like it'll be a little more low profile than the ATI & RS mounts. (Since your ditching the rear sights anyhow I think that'll work well)

To: Quinc... how did you get the original barrel off? I've seen some youtube videos on it, but seems like they had to custom fab some things to be able to hold the barrel while they got it up to 540 ft/lbs of torque just to unscrew it.
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  #13  
Old 11-30-2012, 2:13 PM
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Quote:
Originally Posted by Quinc View Post
Don't forget to add a UK-59 heavy/bull barrel.

Can you still get these someplace? I thought they'd dried up a while ago.
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  #14  
Old 11-30-2012, 3:59 PM
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Can you still get these someplace? I thought they'd dried up a while ago.
Yah they've been sold out for over a year.

Waiting for my new scope rings to come in.


Huber concept style ball bearing trigger done! Drilled and tapped it and used mobil 1 ball bearing grease I had laying around.


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Old 12-03-2012, 12:09 AM
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How's that trigger working? Any data on the pull? lbs?
I'm sure I could find a bearing, screw, and spring around here somewhere, and I've got a drill & tap. May do the same thing if it makes a real difference.

As it stands I'm using the soda can trick plus a clothespin spring to take up the slack.
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  #16  
Old 12-03-2012, 1:39 AM
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  #17  
Old 12-03-2012, 1:46 PM
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Quote:
Originally Posted by TheYellowDart View Post
How's that trigger working? Any data on the pull? lbs?
I'm sure I could find a bearing, screw, and spring around here somewhere, and I've got a drill & tap. May do the same thing if it makes a real difference.

As it stands I'm using the soda can trick plus a clothespin spring to take up the slack.
I guessing under 5lbs. I'm trying to compare it to my savage 10fp. If someone wants to loan me a force gauge I'll measure it. You don't need an extra spring since you preload the sear spring with the allen screw. I used a 10-32 set screw and a 5/32 ball bearing. I had these in my tool box already but you can pick them up at osh for $2 total. You could probably go with a smaller set screw though. I did the washer thing first and it was an improvement but this is a crisper and lighter trigger pull. I also polished the bolt locking lugs on the receiver and bolt body. I left the bolt head alone though. I'm just waiting for my 20 gauge brush to come in from ebay to polish the chamber. I also cut a couple of coils off the firing pin and it unlocks and cycles 10x better now.
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Old 12-03-2012, 11:21 PM
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Quote:
Originally Posted by morepoop4u View Post
I guessing under 5lbs. I'm trying to compare it to my savage 10fp. If someone wants to loan me a force gauge I'll measure it. You don't need an extra spring since you preload the sear spring with the allen screw. I used a 10-32 set screw and a 5/32 ball bearing. I had these in my tool box already but you can pick them up at osh for $2 total. You could probably go with a smaller set screw though. I did the washer thing first and it was an improvement but this is a crisper and lighter trigger pull. I also polished the bolt locking lugs on the receiver and bolt body. I left the bolt head alone though. I'm just waiting for my 20 gauge brush to come in from ebay to polish the chamber. I also cut a couple of coils off the firing pin and it unlocks and cycles 10x better now.
Interesting, I think I might give it a try. Like you mentioned, even with the washer trick the trigger feels really sloppy, a lot of take, more creep, a lot to be desired.

How did you get the ball bearing from falling out the tapped hole?

Also, any issues removing coils from your spring? I've polished the contact points on my bolt, but wasn't sure about cutting the spring just yet.
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Old 12-03-2012, 11:45 PM
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I like it OP.

I don't understand people getting upset about people taking a cheap rifle and doing with it what they want. Calling the $100 mosins that continue to flood gun stores and sporting goods stores everywhere "collectors items" is disingenuous at best.
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  #20  
Old 12-04-2012, 12:28 AM
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Quote:
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LOL that's funny.




I do think his project is interesting, however.
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  #21  
Old 12-04-2012, 12:28 AM
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Quote:
Originally Posted by TheYellowDart View Post
Interesting, I think I might give it a try. Like you mentioned, even with the washer trick the trigger feels really sloppy, a lot of take, more creep, a lot to be desired.

How did you get the ball bearing from falling out the tapped hole?

Also, any issues removing coils from your spring? I've polished the contact points on my bolt, but wasn't sure about cutting the spring just yet.
The grease keeps the bearing in place in the trigger but the preload on the sear holds it in place. The bearing fits in the pocket made by tapping the hole.


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  #22  
Old 12-04-2012, 12:55 AM
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not only do i think it's neat, i'm sure some gun snobs are really pissed about it which is even better. well done sir. i'd sell you my ATI stock but i got plans for it. building a sporter of my own, it's just gonna take forever, lol.
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  #23  
Old 12-13-2012, 10:09 PM
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So I had some free time to cut the barrel down to 26" using a hacksaw and a piece of angle iron. I made sure to tape the barrel so that the angle iron would sit flush with the barrel. Then I filed it down and polished it up with some 1000 and 2000 grit on the file. Next I used a polishing stone to cut the crown then used a brass screw with some polishing compound to finish it up. Then I did the q tip test with no snags.





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Last edited by morepoop4u; 08-19-2013 at 10:35 PM..
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Old 12-14-2012, 9:26 AM
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Sorry man, I can't bear to see that even on a mosin.
Agreed! Let us stand together comrade and face these evils together.
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Old 12-23-2012, 12:25 PM
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Finally found a used stock for a good deal. Time to bed the action and make my own pillars. Then I'll ad the palm swells and texture to the stock. Maybe I'll make a kartsen style cheek riser too.



Half inch aluminum round stock for the pillars
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Old 12-23-2012, 12:40 PM
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Looking good! Can't wait to see how she shoots!
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Old 12-23-2012, 8:06 PM
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Oh, please post pics of the bedding.

I did it on my ATI stock and it was a PITA. I prepped to bed the whole thing, but realized after the fact that there was too much of a void around the magazine and trigger assembly to fully bed. Also, I didn't want to fill in the space I had to notch out to allow the interrupter to work correctly. In all it looks decent and works, but definitely, not what I was hoping for. I want to see how yours comes out.

Basically, I want to see how you do it so that I can emulate if it turns out well
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Old 12-24-2012, 3:49 PM
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Keep up the awesome work.
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