Remington's chambers

[cjames]

Just curious, does anyone know how does Remington chambers their rifles? I have been told that this rifle or that rifle has a crooked chamber. If the barrel is turning and not the reamer how can it come out crooked? I can see if the barrel is not turned and the reamer is. How ever, I am not even close to being a gunsmith.

 

[butchlambert]

Look up hammer forging. Remington has not chambered their barrels with a reamer in years.

 

[Nightraider]

Just curious, does anyone know how does Remington chambers their rifles? I have been told that this rifle or that rifle has a crooked chamber. If the barrel is turning and not the reamer how can it come out crooked? I can see if the barrel is not turned and the reamer is. How ever, I am not even close to being a gunsmith.

99.99% of factory chambers are crooked and oversized. They are a production item where little care is given about quality and the focus is on quantity. You can 100% cut a crooked chamber, even in a better than average setting if you just work there.

 

[Shawnba67]

Seems like I saw a video once of a barrel in a collet and a non piloted reamer stabbed into it like prom night. Honestly if you had to do 1k a day probably as good a way as you could. But it sure could make a few bad ones

 

[rardoin]

Look up hammer forging. Remington has not chambered their barrels with a reamer in years.

The chamber is forged from a mandrel also? I had no idea....I assumed they would forge the barrel then cut the chamber separately. Learn something new every day.

 

[swd]

I had a guy that wanted a barrel set back on a pre 64 M70 quite a few years ago. If I recall it had .012” run out from the throat to the back of the chamber. :-0 That’s the worst I’ve ever seen.

 

[Dusty Stevens]

Gotta have that handle up top to get less runout- you can hold it steadier

 

[carlsbad]

the OP question has nothing to do with remington really. You can make a crooked chamber in a barrel just fine, with a reamer, while turning the barrel, but not setting the barrel up in the lathe correctly.

 

[Ggmac]

It's interesting that the 700s are cold forged but the Marlin / Remington 783 bolt action is button rifled . The 783 look like savage button barrels and are almost as good in accuracy .

 

[Will Henry]

In 2001, at Illion, Remington finish reamed their chambers using a through the bore reamer. The barreled action was clamped in place while the reamer shank was passed through the bore and fixed in a collet. The reamer turned. The bolt body was in the receiver and the operator held pressure on the bolt and, when the bolt handle dropped into place, the chamber was done. The barreled action was then flushed, wiped, and set on the rack. Took about 2 minutes total. I don't know if they do things differently today.

 

[TAJ45]

Very, very interesting, Will. Not sure I would have ever come up w that idea for mass production.

 

[Dusty Stevens]

Very, very interesting, Will. Not sure I would have ever come up w that idea for mass production.

Its the same type reamer used on garands and m1a rifles- a pull thru reamer.
http://pacifictoolandgauge.com/21-pull-through-chamber-reamers-nopix-showcart-