FTF on 458 Socom AR

Discussion of rifles, shotguns, and muzzleloaders

FTF on 458 Socom AR

Postby Scratch on Thu Nov 18, 2021 3:43 pm

My brother just put together an AR in 458 Socom but it's having problems feeding flat nosed bullets from the magazine. It strips the round out of the mag but it gets jammed at like a 30 degree angle and won't go in the chamber. It's like the feed ramp needs to be longer maybe...? Slowly letting the bolt carrier go does grab a round and

I'm assuming flat nosed bullets are known to have feeding issues like some HP's? he doesn't have any thing else to try right now but I thought I'd ask here to see if anyone else has any ideas in the mean time.
01 FFL in Hudson Wisconsin
User avatar
Scratch
 
Posts: 2102 [View]
Joined: Sat Feb 12, 2011 3:23 pm
Location: Hudson, WI

Re: FTF on 458 Socom AR

Postby crbutler on Thu Nov 18, 2021 5:24 pm

Yes, flat profile bullets can cause problems with feeding.

Are these factory rounds or handloads?

Factory rifle or home build?

Factory magazines for the cartridge?


If handloads, changing COAL would be my first step.
crbutler
 
Posts: 1363 [View]
Joined: Tue Mar 29, 2011 8:29 pm

Re: FTF on 458 Socom AR

Postby Scratch on Thu Nov 18, 2021 8:34 pm

crbutler wrote:Yes, flat profile bullets can cause problems with feeding.

Are these factory rounds or handloads?

Factory rifle or home build?

Factory magazines for the cartridge?


If handloads, changing COAL would be my first step.



Factory rounds.
Factory built upper on a couple different lowers
Factory .458 Socom mags
01 FFL in Hudson Wisconsin
User avatar
Scratch
 
Posts: 2102 [View]
Joined: Sat Feb 12, 2011 3:23 pm
Location: Hudson, WI

Re: FTF on 458 Socom AR

Postby crbutler on Thu Nov 18, 2021 9:34 pm

The first place to go would be the manufacturer of the upper then, especially if it’s factory ammo.

Take pics of everything, especially of the malfunctions.

If everything is factory, it should work- with flat meplat big bore bolt guns, the usual suspect is the feed rails. The flat meplat bullets made some otherwise reliable rifles not feed.
crbutler
 
Posts: 1363 [View]
Joined: Tue Mar 29, 2011 8:29 pm


Return to Long Guns

Who is online

Users browsing this forum: No registered users and 3 guests

cron