Chamfering a Revolver Cylinder

Follow along as I chamfer the chambers of the cylinder on my Ruger GP100. This was only my second time doing this. This was not a difficult job to do as long as you take your time and proceed cautiously.

[@derweibhai]

Just FYI to anyone thinking of doing this work themselves. A better method is to remove the extractor star and just chamfer the cylinder itself. With the star chamfered, you can get cases (38 Spl especially) falling underneath the star when it is at full extension. This causes a nasty jam that you really don't want on a defensive gun. Moon clip guns are fine doing the full chamfer though.

[@joe4678]

this!

[@williamgrissom1995]

Yes I agree totally.

[@chipsterb4946]

That was almost my first thought. In addition, isn’t there a risk of damaging the extractor star? Cases in the other 5 chambers *should* hold the extractor firmly in place but it seems to me that cutting like this could put stress on the extractor.

[@ge45gecalled39]

nice vid Bob O, I just got my sp101 3" a few days ago, love it, Ruger has made allot of nice changes at least on the one I got, it' left Ruger this September 2017, it came with a tapered cylinder and all the chambers were chamfered, the writing was removed from the left side to the bottom of the barrel, Like you said the work you did has to be done carefully and it does help a great deal to reload under pressure, again thanks for the info, I know I am talking Ruger but a revolver is a revolver, at least close enough, again Thanks

[@BullseyeBob]

ge45ge Called nice that the factory has done this to your wheel gun!!

[@michealadams1206]

Very helpful video, thank you sir.

[@waratahdavid696]

Thanks for this video. I would love to have seen some before and after thoughts on using a speed loader with the chambers. Best wishes from Australia

[@minerblue9641]

Got to admit, some gunsmiths look at me like the wolf wearing gramma's clothes in the book "Little Red Riding Hood".

[@jeanjacques5489]

Je trouve que c'est formidable toutes ses idées sont très intéressantes

[@KindaFancee]

Did you have any extration issues? I've heard both schools of thought some people say you should remove the extractor some say you don't need to before chamfering. Just wondering if chamfering the extrator was fine or if you wish you hadn't acter the fact.

[@BullseyeBob]

No issues with the gun at all. It has been problem free since day 1.

[@bluegrasskid4835]

Do you prefer speed loaders over moon clips? I have both but I can do reloads faster with moon clips. Wondered if the opposite was true for you? I agree with you, chamfering makes reloads much faster, whether you are using moon clips or speed loaders.

[@BullseyeBob]

Bluegrass Kid I've never tried moon clips.

[@TheGoatMumbler]

The parts numbers for those tools would be helpful. The handle, cutter & pilot.

[@TheJennflip]

I assume you did but didn't show running a patch thru the chambers..

[@pastordoogie8438]

I did this same kind of thing w/ a de-burring tool. It's less expensive, and the angle was less than 45 degrees. If I was going to do it again... I'd remove the ratchet/ star first.

[@xusmico187]

light steady. you can't put metal back. recommend removing extractor

[@georgerobinson805]

You could put some dykem blue on them and get a better picture of how much material your removing, when you cant use a chamfer measuring gauge, IMHO..

[@north4961]

is there any information for depth of 45 degree cut for S&W 627?

[@rosebud774]

just curious what is the purpose of this?

[@Kornholeeoo]

dale lankford It is solely beneficial to using speed loads for faster reloads. No other purpose. It is usually done with a drill press with a measured depth stop. You can easily destroy a cylinder using this tool. And as others have mentioned, you should remove the star extractor to do this so you don’t remove metal from it. It can cause shells to get caught under it on some extractions. If you only remove a very small amount of metal, it’s rare. Just breaking the corner is enough if you leave the star extractor in. If you take it out, you can remove a little more.

[@terrystover7365]

If you wanted you could wrap a small piece of crocus cloth on your cutter and do a final polish. Good video.

[@Chief6067]

You chamfered the extractor too? I thought you had to leave the extractor alone so it could grab onto the base of the spent shells to extract them? I may be wrong but I want to be sure before having it done to mine Please advise me on this Great video btw

[@BullseyeBob]

You can do the extractor no problem, you just need to be careful to not do too much or there will definitely be problems extracting. The factory chamfering done by S&W on some of their models was such that the rims of spent casings fell beneath the extractor in some cases. I have never had an extraction issue with this gun before or after this job, and I've done maybe a hundred reloads with it. I have since sold the gun to a friend so help fun a precision rifle, and he has shot it quite a bit and has not had any issues at all.

[@Tomcoker1952]

Thank you, good job.

[@BullseyeBob]

Thanks Tom! I'm happy with the job I did. My buddy is going to borrow this tool to do his SP101. He said he'd never think about doing something like this until he saw how easy it was to do it. :-)

[@OrbbKlesk]

I want a revolver cylinder for a pencil stand!

[@Chief6067]

Ok cool Thanks for the reply

[@ace1gun]

What are the numbers on the cylinder they look scratched on my vaquero ?

[@TonyYork-KB9RAO]

last 3 of the serial number of the gun to match the cylinder to the gun

[@mackgmoney1515]

Is the pilot for the cylinder the same diameter as the pilot for the muzzle? Great video.

[@BullseyeBob]

I don't know.

[@txdocprich_8404]

Did you polish the chambers too?

[@BrianBelanger1]

Thank you for an excellent Video. Do you know how I chamfer her the cylinder for my S&W 929; its made of Titanium, one of the hardest metals in the world. I tried with the kit you were using, but stopped as there was no progress and I was concerned the tool would be damaged; I have other revolvers to do.

[@BullseyeBob]

Wow.....not sure what would be needed to cut that metal.

[@emjartan45acp]

Same tool....just a little more pressure...did my sw929 with titanium cylinder. Just go slow and keep the cutter clean & well lubricated.

[@user-ik8jr3hf1d]

good job!

[@SuperBadbri]

How you know how far to go? Great video

[@BullseyeBob]

I didn't know, thats why I went slowly. I used what was done on other guns as a guide to how far to go on mine.

[@bradbaker9269]

Id trust a reputable smith

[@BlackPowderTherapist]

Or learn to do it yourself when you have 8 pistols you do it to because they are match guns

[@bradbaker9269]

@@BlackPowderTherapist I never posted this

[@1717jbs]

Great vid. Thanks.

[@w.rustylane5650]

Why would you chamfer the chambers of a cylinder? Does this improve accuracy? I would never do that to any of my revolvers! You're introducing premature wear to your guns.

[@linkedinprofessor]

A chamfer aids loading with speed loaders and speed strips, especially if you are using lead bullets. A squared off cylinder edge will catch and drag, even a tiny bevel minimizes this to a great extend. If you single load it does not matter. This does nothing to harm the gun. The brass is very solid near the top of the rim so you are not risking a pressure event.

[@w.rustylane5650]

@@linkedinprofessor I do not have any revolvers that require a speed load. Mine are a cap 'n ball black powder pistol and a single action .45 Colt.

[@jonleone777]

Is it really worth the cost of the tools versus going to a local gunsmith just to do one gun.

[@abdullahabdo3284]

ممكن مقطع كامل لصناعه المسدس ابو البكره

[@TakeDeadAim]

ترجمة جوجل هو شيء عظيم!

[@Smasher-Devourer]

No you can't make a bomb with it.

[@robertrosenberg6354]

Ugggghhh....like pan frying rocks.

[@samuelforvour1758]

Good way to ruin a gun, you only need to take the sharpness off alittle.

[@BullseyeBob]

The gun is perfect. Thank you.

[@lanchanoinguyen2914]

i can see that the chambers are deviate by my eyes,the manufacturers are using laser and high technology to make sure it's safe.You're just running too fast without watching the road.

[@tomd2867]

The little holes in the round thing (the cylinder) are called chambers not cylinders. Glad you are not a gunsmith.

[@ge45gecalled39]

there's always a critic, he know what he is talking about, you should read the introduction, he knows the difference between a cylinder and chambers of the cylinder, if he said cylinder instead of chamber, only a numskull wouldn't know what he meant, let's see your last video and see how many innocent mistakes you made

[@markn2088]

what is with these critics?

[@daveengstrom9250]

Thats why bullets have round noses......

[@fjb4932]

Dave Engstrom, My bullets have round nose, semi-wadcutter, wide flat nose, hollow point, and flat nose. Chamfered Definitely helps. No thanks . . .

[@MajorHenricks]

You cut off too much material; after a gentle spin, and you notice no more grabbing, stop.

[@BullseyeBob]

I took off the amount I wanted. There is no set amount.....some chamfering is less than what I did and some have more. Speed reloads are very smooth and quick, and I've never had a malfunction or extractor slip over the case rim.

[@MajorHenricks]

The more material removed, the less support for the cartridge case.@@BullseyeBob

[@BullseyeBob]

@@MajorHenricks yes of course. Take a look at a factory 929 PC model and see how aggressive the chamfering is.

[@MajorHenricks]

That does not mean it is correct; you stated at the beginning, not to be expert, which means that you invite comments; was trying to be helpful; then you get upset because of my comment, when you stated that you took off what you want; so go ahead, ruin your gun.@@BullseyeBob

[@BullseyeBob]

@@MajorHenricks Youre the one who's upset. My gun is not ruined.....it functions flawlessly. Speed reloads are smoother and quick.....that was the goal. Gun has had several hundred shots since the work.....tell me how its ruined.