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Pre-64 Win 70 rebarrel and load development.
#9029225
04/04/24 05:52 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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This was all performed in house. Except engraving. Judd did a mighty fine job on the engraving. THF member "Freerange" brought me a 1956 Winchester 70 "Featherweight". It was chambered in .243 Win. He has enjoyed learning the ballistics of the 7mm-08 Ackley Improved I've written about so many times, and wanted the rifle re-barreled in that cartridge. But, he wanted to keep the barrel contour and length the same, and he wanted the new barrel blued. The only barrel manufacturer I found that makes a Pre-64 Winchester 70 "Featherweight" contour was Lilja barrels. And it's going to come in stainless steel. Not to worry, I told him we can Cerakote the barreled action a custom house blend to make it look like it's blued. "Do you want gloss, semi-gloss, or flat?" He said he wanted semi-gloss. That's going to be way down the line, but check. First things first. We've got to install pillars in the stock, bed it, and free float the barrel channel. Lilja dang sure provided plenty of barrel tenon. After getting the bore centered with a .0000" Mitutoyo dial indicator, I could finally start cutting. I measured the angle on the Win 70 barrel and set out to match it. Lots of measuring, part off the barrel, but leave me some wiggle room to face it square. Get all that cleaned up. More measuring, and careful single point threading. Action screws on with no wobble. The Pre-64 Win 70 bolt is a coned bolt. So the relief for the cone had to be cut next. And, of course, it's got to get chambered. Take the barrel out of the lathe, cut it to the same length as the Winchester barrel which was 22". Muzzle side out the jaws, rezero the barrel via the bore, and cut in the crown. 40 minutes of zeroing, 4 minutes of cutting and polishing. Then we have a barreled action again.
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029226
04/04/24 05:58 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029229
04/04/24 06:04 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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Got the barrel cleaned. Found the lands with a 140 gr Nosler Partition and began fouling in the new Lilja. Cool in between. Cool again. Now we're talkin! Next was a 200 yard load development. Lapua virgin 7mm-08 CCI-200 H-Varget 140 gr Nosler Partition The winning powder charge.
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029234
04/04/24 06:33 PM
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Joined: Sep 2004
Posts: 295
HTDUCK
Bird Dog
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Bird Dog
Joined: Sep 2004
Posts: 295 |
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029242
04/04/24 06:46 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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I don't know how I left this out, initially. The Pre-64 Win 70 bolt has a Mauser style extractor. That's got to be relieved.
Last edited by J.G.; 04/04/24 06:47 PM.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029243
04/04/24 06:47 PM
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Joined: Feb 2020
Posts: 503
raptor59
Tracker
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Tracker
Joined: Feb 2020
Posts: 503 |
Great job Jason. I know that model 70 had the coned bolt, but I bet you had to do some work fitting the external Mauser style extractor. What was involved in that process?
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029245
04/04/24 06:48 PM
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Joined: Feb 2020
Posts: 503
raptor59
Tracker
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Tracker
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Answered before I even finished Lol.
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029263
04/04/24 07:42 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029274
04/04/24 08:12 PM
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Joined: Jan 2009
Posts: 19,287
Judd
#1 Creedmoor Fan
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"That boy good" I also noticed the first cameo appearance from little man.
Don't let your ears hear what your eyes didn't see, and don't let your mouth say what your heart doesn't feel
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029291
04/04/24 09:08 PM
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Joined: Jun 2009
Posts: 4,207
Korean Redneck
Extreme Tracker
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Man I am jealous! Nice work.
I'm a dude who likes long barrels!
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: Judd]
#9029302
04/04/24 09:25 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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"That boy good" I also noticed the first cameo appearance from little man. He will make a hand one of these days.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: Korean Redneck]
#9029303
04/04/24 09:25 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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Man I am jealous! Nice work. Thank you!
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029313
04/04/24 09:53 PM
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Joined: Oct 2012
Posts: 29,651
Sneaky
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029336
04/04/24 10:31 PM
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Joined: May 2017
Posts: 5,210
Smokey Bear
THF Trophy Hunter
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Man, that is cool! The build appears to really keep the model 70 fwt look and feel. It looks like it’s gonna shoot too! Very impressive work JG. I’ve been hoping to get to see how that project turned out. VERY NICE. Anxious to hear your impression when you get it in your hands Freerange. Hopefully after you send a few down range…
Smokey Bear---Lone Star State.
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029338
04/04/24 10:36 PM
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Joined: Jul 2007
Posts: 8,304
bobcat1
THF Trophy Hunter
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Really Nice JG! Congrats Freerange!
Bobby Barnett
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029366
04/04/24 11:28 PM
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Joined: Aug 2011
Posts: 2,642
MacDaddy21
Veteran Tracker
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Posts: 2,642 |
Lilja makes a great barrel. Awesome work, sir!
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029443
04/05/24 02:12 AM
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Joined: Nov 2008
Posts: 1,226
71Rcode
Pro Tracker
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Pro Tracker
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Posts: 1,226 |
NRA Life Member & GOA Member Always interested in Marlins. Let me know what you have for sale!
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029451
04/05/24 02:34 AM
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Joined: Sep 2006
Posts: 32,527
kmon11
junior
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junior
Joined: Sep 2006
Posts: 32,527 |
Breath of new on an old classic, good work Jason
Enjoy Freerange
lf the saying "Liar, Liar your pants on fire" were true Mainstream news might be fun to watch
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029469
04/05/24 02:52 AM
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Joined: Oct 2004
Posts: 39,572
redchevy
THF Celebrity
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Posts: 39,572 |
Looks great and like a fun process to work on.
It's hell eatin em live
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029542
04/05/24 12:14 PM
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Joined: Oct 2009
Posts: 12,229
wp75169
THF Celebrity
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Posts: 12,229 |
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029550
04/05/24 12:27 PM
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Joined: Dec 2008
Posts: 5,196
LonestarCobra
THF Trophy Hunter
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Posts: 5,196 |
Nice, I like the mostly original aspect of it
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029587
04/05/24 01:43 PM
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Joined: Dec 2009
Posts: 5,456
Big Fitz
THF Trophy Hunter
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THF Trophy Hunter
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Posts: 5,456 |
Wow, that is a work of art that is also incredibly precise! Great job JG and congrats Freerange.
I was wrong...on anything technical. Fitz............. is right, ya know............
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029596
04/05/24 01:56 PM
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Joined: Oct 2009
Posts: 12,229
wp75169
THF Celebrity
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THF Celebrity
Joined: Oct 2009
Posts: 12,229 |
Did you find a source for the Lapua brass, or did you have a stash? Hens teeth I tell ya!
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: wp75169]
#9029599
04/05/24 02:05 PM
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Joined: Dec 2008
Posts: 41,211
J.G.
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Did you find a source for the Lapua brass, or did you have a stash? Hens teeth I tell ya! I've got a stash. I've been buying loading components for a very long time. This rifle is more than worthy of taking some of my Lapua 7mm-08 stash. I want that brass to last a long time, and I hope the rifle one day gets passed down to the next generation.
800 Yard Steel Range Precision Rifle Instruction Memberships and Classes Available
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Re: Pre-64 Win 70 rebarrel and load development.
[Re: J.G.]
#9029654
04/05/24 04:03 PM
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Joined: Sep 2010
Posts: 553
StraitShot
Tracker
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Tracker
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Man I am jealous! Nice work. Thank you! Really nice work JG... awesome...
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