.22AR not fully loading rounds

[Adamdavi3s]

All,

I have a very old tacsol ar15, cheap and cheerful and good fun.

At the moment every few rounds it’s refusing to fully load a round, in that the trigger clicks, I wait 30s, drop the mag, pull the charging handle and I can see the round protruding 1/2 way out of the chamber. Letting the charging handle go seats the round and it will fire fine. 

I have stripped cleaned and oiled everything. 

I’m using it with the blackdog mags it came with, plastic lipped versions and I am wondering if they might be the problem, or Is it more likely something else? 

[Adamdavi3s]

Sorry just realised this might be in the wrong forum? 

[Lozza17]

Most probably a magazine issue. Try using different mags. The newer black dog xform mags with the steel feed lips work perfectly in my Spikes AR

[Adamdavi3s]

That’s what I wondered, just seemed to be a weird issue so wasn’t sure if it was the bolt.

I wondered about the S&W mags, but wasn’t sure if I needed (or should try) the Boonie Packer 

 

*edit* Ok so I don’t think the boonie will work with a tac sol. I wonder if it’s simply ammo, I’ve realise I was running club in it today and moderated, rather than action / contact that I normally use so I bet it just didn’t have the oomph to cycle properly.
 

My mind just went to bolt / chamber issues as it’s resetting the trigger and ejecting fine, just the next round feed which isn’t happening correctly.

I’ve ordered a steel lips black dog to see if it helps

 

edit2: It’s not ammo as I’ve had the issue on the first round 

Edited May 1, 2021 by Adamdavi3s

[Adamdavi3s]

Ok tried it with the metal lip mags and got no FTF during cycling, but still the first round never seated properly. 

[TC]

Try to ascertain if the underside of the bolt is dragging on the mag lips - a swipe with a sharpie maybe...

Does the bolt cycle differently with and without a mag?

I had a similar problem with a spikes upper on my existing lower and it just needed a tad taking off the top of each mag.  The slight drag was slowing the bolt just enough to cause an issue.

[Adamdavi3s]

Just now, TC said:

Try to ascertain if the underside of the bolt is dragging on the mag lips - a swipe with a sharpie maybe...

Does the bolt cycle differently with and without a mag?

I had a similar problem with a spikes upper on my existing lower and it just needed a tad taking off the top of each mag.  The slight drag was slowing the bolt just enough to cause an issue.

It doesn’t feel different but that is a good shout, I’ll sharpie the mag up and see how it goes thank you! 
 

[brown dog]

Is the extractor clipping over the rim of the round? Or struggling to get over it and holding the bolt open by a fraction of a mm?

I think it'll be an extractor issue.   Pop it out. Clean it. Check the extractor spring.  Look to see if it slips easily over a chambered round's rim to grab it.

 

[Adamdavi3s]

16 hours ago, brown dog said:

Is the extractor clipping over the rim of the round? Or struggling to get over it and holding the bolt open by a fraction of a mm?

I think it'll be an extractor issue.   Pop it out. Clean it. Check the extractor spring.  Look to see if it slips easily over a chambered round's rim to grab it.

 

Cool thank you, I’ve not delved into the bolt in a lot of detail yet, I’m aware it’s very different to the .223 one. 
 It looks like it’s fully closing but I think you could be correct and it’s just not quite closing enough for the firing pin to engage

Proper delve into it this weekend so I can understand how it works. I also have some 22 snap caps to assist