AR ammo question

[rhp997]

I just finished my first AR build- all parts are from Spikes Tactical with expectation to a Palmetto Armory lower parts kit. The BCG is from Spikes and has a chrome bolt assembly. It cycles brass ammo perfectly- however when I tried to shoot some steel cased I had a failure to fire on the 5th round. After reloading another magazine it happened again. I know the ammo is good because it functions properly in my other gun. Any ideas?

[chancito1]

I have 3 DPMS and buddy has a bushmaster we were told when we purchased them they didn't shoot steel casings well.

[LFD2037]

M4 feed ramps? Is BCG 'wet' w/lube? Did it chamber the round properly but didn't fire, like a light strike?

[LFD2037]

I have 3 DPMS and buddy has a bushmaster we were told when we purchased them they didn't shoot steel casings well.

Spike's & PSA should have ZERO issues shooting steel.

[rhp997]

M4 feed ramps? Is BCG 'wet' w/lube? Did it chamber the round properly but didn't fire, like a light strike?

It has M4 feed ramps, BCG was not "wet" and pin did strike the primer and dimpled it. It also properly ejected the round.

[redneck82]

My spikes feeds steel no problem but I run it wet.

Try spraying the BCG and run it again.

[Tommyh]

lube it my friend. running these things dry will get you Vietnam era performance!

[rhp997]

Sounds like I need to get some lube. The new build is a mid-length 14.5 pinned and welded barrel. The gun that the ammo functions fine in is a spikes carbine 16". Didn't know if that might be a factor contributing to the situation.

[Tommyh]

nah doubt it.

[EasyBakeGunClub]

lube it my friend. running these things dry will get you Vietnam era performance!

Tommyh nailed that one. Spikes won't have any problem but dry w/ steel will get you exactly the headache you're having.

If you lube it and you're having the same problem, then it's time to inspect everything.

[LFD2037]

I think if the pin struck the primer sufficiently then its not a dry problem. But start by running the BCG wet. CLP, Rem oil whatever will work. Even some 30W motor oil. Once u figure out if this is the problem then you can invest in some better lube.

[bearintex]

Cop buddy of mine that runs 1000's of rounds a year through his uses Mobil 1. Dunks the whole BCG in it, coouple of shakes, and goes to town with it. First shot or two is pretty messy.

[Tommyh]

Cop buddy of mine that runs 1000's of rounds a year through his uses Mobil 1. Dunks the whole BCG in it, coouple of shakes, and goes to town with it. First shot or two is pretty messy.

i dont feel like ive accomplished anything unless im wet myself

[Jason19]

Cop buddy of mine that runs 1000's of rounds a year through his uses Mobil 1. Dunks the whole BCG in it, coouple of shakes, and goes to town with it. First shot or two is pretty messy.

I have a buddy at work that does this with all his guns....it's not fun getting sprayed with oil in the face. First time I shot his rifle I didn't know what it was.....

[rhp997]

Lubed my bolt well. Shot 12 rounds and had a failure to fire. Shell properly ejected and primer had been struck. Could it be the headspace?