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Junior Member Join Date: Mar 2013 Location: Virginia
Posts: 19
| Recoil spring fun
Im trying to find a formula to figure what poundage I need, or if one of you fine folks happens to know I would be greatly obliged. I am building a commander size 1911 with slab sides, uncut in the front, in .40S&W with a second barrel in .357SIG. Anyone have any clue what poundage I need to make this monstrocity run properly and well? I'm figuring Ill need 2 springs, but I don't know which/what I need/should buy. Also, has anyone ever welded on a frame? I'm thinking about taking a bit of 4140 I have and welding it onto the end of the dust cover to make it look similar to the monolith that les baer makes. I'm planning on cerakoting this gun anyhow, so the discoloration when blued is not even a consideration/concern. Thank you in advance everyone! Last edited by 1911A1Junkie; 08-25-2013 at 08:34 AM. |
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Senior Member Join Date: Apr 2010 Location: North Carolina
Posts: 724
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Try a 16 pound spring. Should be good to go.
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Junior Member Join Date: Mar 2013 Location: Virginia
Posts: 19
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![]() | #4 |
Senior Member Join Date: Jun 2001
Posts: 1,801
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Can't help with the springs for those calibers, but welding on the end of the dust cover is not an issue for a gunsmith/welder who knows his stuff. That area is under no stress so as long as you prevent heat spreading back you should have no problem. Beveling the inside and outside to give a good fill will help in strength and in making a strong job. Just butting the parts up and welding is not good. |
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Senior Member Join Date: Apr 2010 Location: North Carolina
Posts: 724
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Junior Member Join Date: Sep 2017 Location: US
Posts: 4
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![]() | #7 |
Junior Member Join Date: May 2018
Posts: 13
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you can easily warp the dust cover with welding heat. I'd find a way to clamp a snug fittig steel rod inside of the dust cover, and use heat control gel to keep the heat from spreading to the frame. I'd also use a tig, with very small diameter rod and just add "tacks' of weld-bead, letting each one cool and then blend them all together.
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Junior Member Join Date: Jun 2016 Location: North Carolina
Posts: 8
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I have a pair of early 1991A1 Colts that I use strictly for beater duty. They both cracked there many years and many tens of thousands of rounds ago. Both pistols run just fine. | |
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