New Contender barrel on it’s way

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Last Post 10 June 2023
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delmarskid posted this 09 June 2023

I got notification that my 10” 327 federal barrel should be delivered tomorrow. It should be a .312” groove with 1/10” twist. I’m pretty jazzed about this. I have 2 revolvers but the thought of maybe shooting 200g bullets has me intrigued. I’m using a stock front sight and a Williams receiver sight. I just can’t get the hang of a scope on a handgun . The barrel is coming from Match Grade Machine. The gestation was four months.

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Lee Guthrie posted this 09 June 2023

Your 1:10 twist might stabalize the 200 grainers. Decades ago I tried some 180 gr projectiles in a Ruger Blackhawk .30 Carbine. That went as expected: bullets keyholed. Twist was way too slow.

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delmarskid posted this 09 June 2023

I’m hoping I can get them going fast enough. If not I’ll use the other 13 molds.

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delmarskid posted this 09 June 2023

No!

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delmarskid posted this 09 June 2023

http://accuratemolds.com/bulletdetail.php?bullet=31-135S

I like this bullet a lot. I can get over 1200 from the single seven.

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delmarskid posted this 10 June 2023

My barrel showed up and it looks promising. The chamber is tight. I’m going to try sizing .312” . My existing loads are .314” to fit the Ruger cylinders. The pistol closes hard. When I extract unfired rounds a ring of lead is pushed against the case mouth. I’ll do some forensic study later. It looks like it’s going to be a shooter. The Williams peep works well. I need to watch the light conditions. It was getting late and I removed the sight disc to let more light through. Things got crisp then. I had a couple 1” groups but most were 3” at 50 yards. Took a few pops at 175 but that was a dream waiting to happen at this point. The extra length of barrel and lack of a cylinder gap makes me want a chronograph. I was shooting accurate’s 135 wide flat nosed bullet over H110 and a lighter loading of HS-6. The recoil is very close to what I remember of a mid-range 357 with 158’s. It’s a very pleasant and interesting firearm.

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Fitzpatrick posted this 10 June 2023

I have a 30 carbine 10 inch with a 1 in 10 twist , it shoots the 200 gr. cast bullets really well ,it has a generous throat that allows the bullet to be seat out as to not hinder the powder capacity and can get 1200 fps. with out any pressure sign using 2400 powder.