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  #1  
Old 04-19-2010, 06:25 PM
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Join Date: Apr 2010
Location: North Carolina
Posts: 4
Replacement for 1970's T/C Hawken .50 w/ 29 inch barrel


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I recently got back a T/C Hawken .50 percussion that I made from a kit back in the late 1970's (had to sell it for cash many years ago...) - it is a great rifle and I was happy to get it back. However, the barrel was not cared for too well and needs replacing. The rest of the rifle is still in beautiful condition after all these years.

I am looking at the Green Mountain replacements, but they don't seem to provide any specs on the barrels, so I'm a bit confused as to what I will get...

My T/C Hawken has a 29 inch barrel, that is 15/16th across and .50 caliber. I keep reading about 28 inch barrels, which is causing me concern. Is the wedge placement the same? How about where the underribbing meets the stock?

I'm hoping that the 28 inch has shorter underribbing to fit the same stock size as mine, but who knows? Same for the wedge placement. My wedge is 7 5/8" from the back butt of the barrel.

If I call Green Mountain, will they be able to get into specifics with me to make sure it fits? Anyone know why my kit was 29 inches instead of 28?

Thank you for any advice and info.
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  #2  
Old 04-19-2010, 07:41 PM
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Join Date: Mar 2006
Location: Idaho
Posts: 112
On the hawken it should fit just fine. On the Renegades the underrib is a small problem. If the under rib is too long all you have to do it cut it off just a pinch to make it work. On the Renegades I just use a small file and remove enough wood to make it work. The key will be fine for placement but sometimes it maybe loose. All you have to do it tap the under rib a little and it will tighten up. I bent the key a tiny bit and did the same thing. on one rifle. The other three worked fine. I got two rifles that are Stainless GM 1-28 twist 50 cal's. They shoot amazing!!! Sub 2" groups are not hard to get at 100 yards both have produced Sub 1" groups at 100 yards. Both have also produced some trophy Mule deer.




This next rifle is a Renegade with a 1-18 twist 32" long Green Mountain barrel. It also shoots sub 2" groups at 100 yards and has shot several sub 1" groups at 100 yards.



This last rifle I am just about ready to shoot for the first time. It is a Cabelas Hawken with a Stainless 1-28 twist 45 cal.




I shoot Paper patched conicals out of all but one of these rifles. You are making a great choice with the Green Mountain barrel. Ron
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  #3  
Old 04-19-2010, 09:49 PM
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Join Date: Sep 2005
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Khaga,
I just measured the barrel on my .54 T/C Hawkens. The barrel itself is 28". You add the 1" for the breech plug and that gives you an overall length of 29". It should fit just like the original.
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  #4  
Old 04-20-2010, 03:17 AM
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(replaced by following response)

Last edited by khaga; 04-20-2010 at 04:28 AM.
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  #5  
Old 04-20-2010, 04:27 AM
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Join Date: Apr 2010
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Solved

ok, I've been "skooled" by COWPOKE1955 - thank you for clearing this up!!

You were right - when I found the line where the breech plug connects to the actual barrel it was 1 inch, leaving the barrel at 28 inches. I'm a happy man!!

By the way, I appreciate the rifle photos above too - very nice!!

Happy shooting,
Kevin
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  #6  
Old 04-20-2010, 06:06 AM
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Join Date: Sep 2005
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Don't feel like a lone wolf. If you look at some of the auction sites a lot of people list a T/C, Cabela's, CVA and Traditions Hawkens (along with the Lyman Trade Rifle) as 29". It's very common. When you check the factory web sites, they list the barrels as 28". I didn't see any 15/16" T/C replacement barrels on the Green Mountain web site. If they can't help you may have to try some of the auction sites like Gun Broker: http://www.gunbroker.com/ and Auction Arms: http://www.auctionarms.com/ . I see T/C barrels on there from time to time. Good luck.
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  #7  
Old 04-20-2010, 10:25 AM
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[I didn't see any 15/16" T/C replacement barrels on the Green Mountain web site.]


http://www.gmriflebarrel.com/catalog...ngeablebarrels

.
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  #8  
Old 04-20-2010, 12:30 PM
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Thanks Rangr44. For some reason I couldn't find that page. I was looking under replacement barrels, not interchangable. Sure looks like the prices have gone up. About the price of a good used rifle. I only paid $200 for my .54 T/C off an auction site. Good luck.
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  #9  
Old 04-20-2010, 05:11 PM
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The 1-28 twist 45 cal Stainless steel barrels were running 110.00 on a close out. I got me one. Ron
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  #10  
Old 04-23-2010, 08:24 AM
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Join Date: Apr 2010
Location: North Carolina
Posts: 4
28" LRH versus 32" IBS for .50 Hawken

hey guys, I started looking at the options available for my T/C Hawken .50.

In the past I have used round balls to shoot (traditionalist) so I was looking for a 28" with the 1:70 twist. However, that doesn't seem to be an option. For the 1:70 twist, GM sells a 32" barrel only...

Makes me wonder... does my original T/C from late '70's have a 1:28 twist? Or did they just sell a 28" barrel with a 1:70 twist that isn't available any longer??

I'm OK ordering the 32" .50 IBS barrel (if I can find one in stock...), but now I'm wondering about the fit (wedge, underribbing, etc). I wish they published more specs on these.

If anyone has a 32" 1:70 twist .50 IBS from GM, can they post the positioning distance of the wedge from the back of the breechplug, and the from the back of the breechplug to the underribbing? These are point (A -> W) and point (A -> R) in this image:



Thanks!

Last edited by khaga; 04-23-2010 at 09:06 AM. Reason: added image
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  #11  
Old 05-25-2010, 06:44 AM
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I'm sure the original barrel was a 1:48" twist.
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  #12  
Old 06-30-2010, 04:47 PM
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Its a 1:48 twist. T/C uses a medium rate of twist in the sidehammer guns to be a happy medium between round ball and conical bullets. If I was you I would get the closest twist to factory. They shoot round ball really well and also can fire conical bullets with good accuracy.
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