J2L4U Posted October 13, 2012 Report Share Posted October 13, 2012 i just went and shot my 308 and it failed to extract a bullet and this is not the first time this has happened. it was cleaned oiled the whole nine yards. Has anyone else had this problem? Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted October 13, 2012 Report Share Posted October 13, 2012 Bushmaster is made by DPMS, and here is a link for you to follow http://308ar.com/forum/dpms-lr-308-general-technical-discussion/dpms308-feeding-problems/ Quote Link to comment Share on other sites More sharing options...
washguy Posted October 13, 2012 Report Share Posted October 13, 2012 i just went and shot my 308 and it failed to extract a bullet and this is not the first time this has happened. it was cleaned oiled the whole nine yards. Has anyone else had this problem?Hi J2 new gun? what kind of ammo? what stock...buffer ect? so the shell case remains in the chamber after going bang...and then what happens with the next round thats getting fed or you talking bout loading only one round in mag? Wash Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 Its bout year old bushy clapse stock 16" barrel, 150gr sst hornidy,and sum 145 monarch steel, stock spring, hydrolic buffer,just put an adjustable gas block havent adjusted the gas yet. also did this before the adj.gas block. Put bout 40 rounds before it started the problem. I polished the chamber and looked at the extracter everything looks normal. I looked at the spent bullet and it has a scar like it tried to grab the case. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 I looked at the spent bullet and it has a scar like it tried to grab the case.Please take a pic of that and post it - if it's what I think it is, I probably have a solution for you. <thumbsup> Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 Best I can at the time Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 First - steel cased. What are you shooting?Need some pics of the same kind of failure on brass-cased ammo, and if it does the same thing. If it does the exact same thing, then your extractor doesn't have anough tension, and you need to o-ring/d-ring the extractor spring.Really need to know what that ammo is... Didn't know Hornady SST 150 was steel.EDIT - I get it, that's the Monarch steel cased. Put up a pic of the Hornady SST 150s... Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 The ammo of the picture is Monarch 145 gr. on the brass it nix it alittle and bends it slightly don't have picture of that yet going tomorrow to adjust the gas block if it does it I'll post a picture where can I get those parts at I've looked every where 308 is slim Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 Got that part, brother - we were probably posting/as I was editing, at the same time.Need to see those same pics of what it's doing to the brass-cased ammo. Leave the gas block alone, with the brass-cased, or you're completely changing what's going on - it might not have anything to do with gas pressure, here. If you change that gas pressure, then any answers you might get here - are starting from ground zero.Make sense? Shoot some brass, exactly as the rifle/gas is, with what it did to the steel cased stuff. <thumbsup> Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 I got adjustable gas block to lower the recoil my buddy put one on his and it did a big diff. But I'll leaved alone till I get this problem fixed. Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 I found a box I saved of some of the messed up brass. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 That's not messed up brass - it looks great. You don't have extractor marks on that like you have on the steel-cased. You have ejector marks, but you're always gonna have that - your ejector marks look damn good. You need to stop shooting that steel-cased Monarch through your rifle, if it's causing problems for you. One question, here - did the brass cased Hornady SST 150 give you any issues with feeding, extracting, ejecting?... The brass you've pictured show no signs of that. Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 Ok didn't know that why I posted those pictures. But yes last time I went out and shot I had 6 bullets not extract it would leave it in and try To send another. After 3 I cleaned it and shot and 3 more times did same thing. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 Tight chamber, sounds like - which is not uncommon in a DPMS .308. Which is what the BM is. With brass, if it's giving you issues, have a gunsmith look at the chamber dimensions, and possibly ream it to spec. <thumbsup>Bet that thing will shoot better after that. Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 10-4 thanks for your help. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 14, 2012 Report Share Posted October 14, 2012 Did you have the same extraction issues with the brass-cased Hornady? If not, there might not really be a chamber-dimension problem here. If those extraction issues were minor with the Hornady, compared to some major issues with the steel-cased, then the extractor o-ring thing might work wonders - it's it's not already o-ringed on your rifle. <thumbsup> Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 14, 2012 Author Report Share Posted October 14, 2012 it doesn't have an o-ring where would it go to if I got one. Quote Link to comment Share on other sites More sharing options...
98Z5V Posted October 15, 2012 Report Share Posted October 15, 2012 The o-ring goes around the extractor spring, and increases the force of the extractor. Most of the time, it's a cure for a worn out extractor spring, or a weak extractor spring. <thumbsup> Quote Link to comment Share on other sites More sharing options...
tg4360 Posted October 15, 2012 Report Share Posted October 15, 2012 My friend, me thinks you need to study up more on your weapon, how it functions and the nomenclature of it's parts and ammunition.It is the cartridge case that is failing to eject. The "bullet" is the projectile and only the projectile.It is fairly well known that DMPS guns do not like steel lacquered cased ammunition.It concerns me that you do not know what or where your extractor spring is.It may seem like I'm nit picking but we are talking about a serious weapons system and using proper names for the parts and processes will avoid confusion.Learning how the weapon functions will go a long way toward understanding what is happening or not happening when there is a stoppage or a malfunction.Please take the forgoing in the spirit of assistance and education as I intend it.TG Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 15, 2012 Author Report Share Posted October 15, 2012 well, I did not ask this question to get insulted I know where the spring goes and I have taken apart quite a few ar 15 and 308s yet to see an oring in any of them. The questions that I ask is me studying up on things if u don't ask u will never learn. Its also nice just to get a straight answer. So if u can't give it to me this discussion is obviously over . But thanks for your help so far. Quote Link to comment Share on other sites More sharing options...
survivalshop Posted October 15, 2012 Report Share Posted October 15, 2012 First , when you load one round in the mag. & fire it , does the action ( bolt carrier group )lock back by the bolt stop ? This is just to see if the action has enough gas ,to work it properly. ( I do not like steel cased ammo & nor will a DPMS rifle & others )It still sounds like the chamber is too tight or more likely too rough & its holding the case in the chamber & striping the extractor off the rim of the case.The rifle could be over gassed & is retracting the action before the case has lost enough pressure to release it from the chamber (still expanded in the chamber from firing ) Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 15, 2012 Author Report Share Posted October 15, 2012 Yea after I put the steel round in the other day to check if I lined up the wholes in the new adjustable gas block I used one round and it locked back but just didn't extract the case. I have a dpms 223 oracle that haven't jammed one time and I put about 600 round through already no jam. I'll try to find an upgrade spring and give that a shot. trial and error I guess. Quote Link to comment Share on other sites More sharing options...
washguy Posted October 16, 2012 Report Share Posted October 16, 2012 Hi J2 I would keep that steel cased crap away from my 308'sjust a thought :) Wash Quote Link to comment Share on other sites More sharing options...
J2L4U Posted October 16, 2012 Author Report Share Posted October 16, 2012 Yea those will go out the door Quote Link to comment Share on other sites More sharing options...
edgecrusher Posted October 16, 2012 Report Share Posted October 16, 2012 Yea those will go out the doorsell them to someone with a hk91 or a fal, those designs will eat up the steel casings, literally Quote Link to comment Share on other sites More sharing options...
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.