Barrel Hood Question

[powwowell]

I have two RIAs, one a GI model, the other a Tactical. I bought the GI new in 2006 and the Tactical used in 2008. The barrel hoods are not the same. The GI has a chamfer on the underneath of the back edge of the hood. The Tactical does not. I had an occasional 3 point jam with the Tactical. I replaced the recol spring with a new 16 pounder and I changed the full length guide rod, to a standard one.

Should I grind a chamfer on the Tactical hood? Does it really matter if it has a chamfer? If so, does this mean that the Tactical has had a replacement barrel? Both barrels have the same stamp "CAL. .45 ACP". The GI barrel has a 2 stamped on the bottom lug, while the Tactical has a 5.

[George Smith]

Likely the bullet is well forward of the barrel hood when your getting the 3 point jam.
too big a bevel reduces the area of the back of the hood and can lead to peening etc.

2000 paper on the bolt face to only remove the bluing. check the extractor tension. Look to see if the rim is catching in the firing pin hole.

let one jam. mark the top of the case and see what you can gleen from the jammed case.

geo

www.egw-guns.com

redone yesterday

[auto45]

Not to change the subject, nice update on your website. :)

[niemi24s]

FWIW, the spec for this chamfer is on the barrel blueprint in our Tech Issues section.

Regards

[jwenum]

The chamfer on the hood is there mainly for better feeding from the mag into the barrel.Let's the bullet nose kinda roll into the barrel.I would go for a chamfer, it'll help feed the odd stuff(wadcutters,hollow points)

[powwowell]

I appreciate the replies. I'll look at the drawings and go from there. I need some advice, on what is the best (easiest) way, to make the chamfer. I'm thinking, clamp the barrel in a vise and use a round file?

[niemi24s]

I'd try a bearing scraper (scrape) or a stiff knife blade first. Whittling with these leaves a smoother surface.

Regards

[jwenum]

A Dremel does it easily also.Just be careful with power tools.It's hard to add metal after it's already gone.Then some 400-600 grit sandpaper,emery cloth to smooth it up like niemi says.

[wichaka]

A Dremel does it easily also.


Slow and smooth is the key here.......

[log man]

The chamfer on the lower edge of the hood extension has nothing to do with the bullets entry into the chamber, but does assure that the case rim which closely passes this point doesn't catch on an otherwise sharp edge. Opinion. I find a three sided scraper the tool of choice for this followed by Cratex point and polish bob.

LOG

[boehlertaught]

Another aid to round entering the chamber... ensure that the chamfer on the bottom of the extractor is sufficiant to allow the case to easliy slide under...