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I have a DPMS 16" with bolt if you're interested, my ad is listed in this section with pictures.

Now includes DPMS free float handguard.

I took this barrel off of my DPMS AP4 after a round count of about 300. Included is the factory headspaced bolt, gas tube and a low profile gas block. $325 plus actual shipping, figure 4 pounds from zip code 85757. Cash, MO, credit card with 3% ( I can run it through my business). Feel free to PM any questions.

I recently got back to the range and put another 50 rounds through the rifle with the Slash heavy buffer and the standard DPMS recoil spring. I like this set-up better, as the empties are still landing squarely at 3 o'clock, but about twice the distance as with the Slash supplied spring. I feel better about the ejection pattern with this set-up, empties now land about 5 feet from the rifle, vs 2 feet with the Slash buffer and spring.

I think a lot of gun makers send out guns that they know aren't 100%, and we're left with the problem of sorting out solutions. It isn't like the old days. I find for the most part I prefer to own older guns, made when quality mattered. But I really like this DPMS rifle, and thanks to input from people on this board I was able to find a solution. Seems like DPMS could resolve this issue with another $35 in quality parts, but then I guess that's asking a lot!

SUCCESS! Installed the Slash heavy buffer and spring this morning, ran 40 flawless rounds through the rifle this afternoon. Ejection is now around 3:30, and it's clear the rounds are striking the middle of the shell deflector on the upper. Cases show no denting. I believe the problem is solved. The spring provided by Slash is a couple coils longer than the standard carbine spring, and I think I'm going to try the heavy buffer with the standard factory spring just to see what happens, but I feel much better about the way this rifle runs now. Thanks for all the input.

Buffer and spring arrived today, Slash got it to me quickly! I'll be at the range Friday, will report in on the results.

Hopefully your problem is solved. I got an email from Clint yesterday, he wasn't a hundred percent certain his buffer would solve my problem but he is convinced all the carbine style 308 rifles are overgassed. I ordered his buffer and spring, should have it here by the end of the week. As soon as it arrives I'm headed to the range, will update when that happens.

Just checked that issue, the bolt is completely past the ejection port. I spent all weekend researching this and I think it does come down to the gun being over gassed. So the options are:1.heavy buffer:2.adjustable gas block:3. replace collapsible stock with fixed stock. I'm leaning towards the heavy buffer, but want to wait for a response from Slash regarding a couple questions I have. I'll keep the thread updated.

Thanks for that chart. My other 308 is rifle length, unfortunately. I sent an email to Clint describing the situation, I'll post his response. It may have something to do with bolt velocity. I've noticed if I hand cycle live ammo through the rifle it seems to eject correctly.

Factory built AP4. I wondered if it had something to do with the bolt velocity on ejection, but I can't seem to find any other information about it on the web. I had hoped someone here would be familiar with the issue. This rifle does this with all ammunition I've tried. My other DPMS LR308 ejects normally.

OK, did a little research at the range today and here's what I found. The empties are not hitting the shell deflector. I tested this by putting a piece of tape over the shell deflector. As you can see in the photo, after 30 rounds the tape hasn't been hit. I had my shooting partner fire the rifle while I watched, and after examining the spent casings it appears that the shell is coming out of the ejection port in a straight line, and the rear of the case is hitting the back end of the ejection port, then bouncing almost straight forward. I examined all 50 empties and they had an identical mark on the rear of the case, on the rim. The ejector spring is so stiff I can barely push it back into the bolt. There doesn't appear to be anything wrong with the extractor, but at this point I'm going to change it out to see what happens. I can't think of any other explanation for this ejection issue.

yes, it was installed on a DPMS AP4 upper.

I don't know the brand of this quad rail, I got it when I purchased my LR308 in a private sale. The seller originally bought this rail from JSE Surplus. It has never been installed. $100 shipped, discrete Paypal accepted.

Lightly used Daniel Defense Lite Rail, # DD-3001. Includes the DD wrench necessary to install. $200 shipped, discrete Paypal accepted. SOLD

There don't seem to be any issues with the DAG that I can see, with about 200 rounds downrange. It is so unbelievably accurate that I ended up buying several thousand rounds. I have noticed that it burns a little dirty, and after 3 or 4 mags there is a gritty residue in the upper. It hasn't caused any issues so far, given that I run the bolt carrier really wet.

The cases tend to land about three feet to the right and front of my shooting position. It' s very consistent in that regard. Everything is standard DPMS at this point. I"m going to take the bolt apart and look for anything unusual.

The rims appear normal. There is always a dent about mid case which I assume comes from the front or back of the ejection port. I'm close to 600 rounds through the rifle. I run the bolt very wet, using Mobil 1 for a lubricant. I'm currently using either DAG German surplus or Federal American Eagle ammunition.

Greetings, all. I've been enjoying the site for a long time now, and for my first post I need help with an ejection problem. I have a DPMS LR308 AP4 that until yesterday ran flawlessly, although with a bit of a twist. In close to 600 rounds through the rifle the empty cases have never hit the shell deflector upon ejection. It appears that the base of the base is slammed into the rear of the ejection port, bounces off the front of the ejection port, and then clears the rifle. The attached photo shows the witness marks on the ejection port from the ejected empties. Yesterday I had an empty round hang up in the ejection port, during a competition of course. I can't say for certain that malfunction was caused by the peculiar ejection of this rifle, but this has bothered me for awhile now and I thought I'd seek some input. Any ideas on what causes this ejection issue, and what to do about it?

I'll have to ask the person I got it from, there is no brand marked on the handguard. I recently purchased a DPMS LR308 and the seller gave me this quad rail with a few other accessories. It's brand new. I also have a DPMS quad rail in carbine length for the LR308 that is new, if anyone is interested.

How is your parts hunt coming along? I have a brand new free float quad rail I can sell at a good price.