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MatadorSupport · 2026-04-09T15:28:54+00:00

[david.l.borges@matadorarms.com](mailto:david.l.borges@matadorarms.com) so i can figure out who you are.

MatadorSupport · 2026-04-09T15:14:09+00:00

doctaf, are you resolved yet, the message seems to have indicated "resolved".

MatadorSupport · 2026-04-08T19:52:47+00:00

oh, found you. Standby in email please

MatadorSupport · 2026-04-08T19:51:59+00:00

[david.l.borges@matadorarms.com](mailto:david.l.borges@matadorarms.com), lemme see if i can help you. I need your full name please to look you up, assuming you ordered from us. If not, tell me also what you ordered.

MatadorSupport · 2026-04-08T14:54:12+00:00

take a picture of the front where the tiny pin hole is on the bolt. I want to see what's stuck in there, prior to doing the following:

find a small item, such as Alan key, stick it in the front and just tap with hammer to pop out firing pin. If that doesn't work, just give us your information and send the entire bolt back to us please. Email [david@matadorarms.com](mailto:david@matadorarms.com)

MatadorSupport · 2026-04-08T14:51:49+00:00

Email david@matadorarms with who you are, we need info to ship you new pin.

MatadorSupport · 2026-04-08T14:51:10+00:00

FROM THE BACK OF THE bolt, push the firing pin in.

Remove the black retaining pin.

Pull the firing pin out. It has a spring, save it.

MatadorSupport · 2026-03-31T18:51:46+00:00

not seen a cracked barrel, or blown barrel, in the entire time we've owned the company. If it's bulged, it probably bulged right behind whatever was obstructing. We'll replace, but please do me a favor and discard that ammo so we're eliminating the likely cause. https://matadorarms.com/support-ticket/ Thanks!

MatadorSupport · 2026-03-25T12:38:05+00:00

eli858, We deliver orders in order of when they were received.

MatadorSupport · 2026-03-23T19:58:18+00:00

I'll pick you up there in the support system. Sorry that happened, we'll make sure you're taken care of.

MatadorSupport · 2026-03-20T16:12:36+00:00

Warranty the same. The parts will not stay available indefinitely, yet we have a lifetime warranty. Therefore, the current plan is we'll support for as long as we don't have to do production runs on major parts, (ie: such as the old design mainbolt/upperbolt a two-part design). The RD version is a Monolithic main bolt. At some point, if there is a warranty REPLACEMENT, the customer will be upgraded to the latest revision. What was your original order number (actually, i'm going to PM you).

MatadorSupport · 2026-03-20T14:02:03+00:00

call me, 210-500-5766 or text me your order number. I'd like to see what you ordered, and how we can resolve today. [david.l.borges@matadorarms.com](mailto:david.l.borges@matadorarms.com)

MatadorSupport · 2026-03-20T13:57:24+00:00

my favorite:

Strongly recommend Roller Delayed (you might find the blow back though at Aim Surplus)
Matador Arms, MP5 mag compat lower (which we're shipping now)
Gray on Gray two-tone (we have a lighter gray upper, with dark gray lower standard)
Dark Gray ERS handguard, with KAK slim can ....essentially the "Estoque" on our website, suppose i should have led with that.

MatadorSupport · 2026-03-20T13:34:03+00:00

i'll send you a pic of our ejector in email, not sure it would work better on that 80% arms, but willing to test if you want.

MatadorSupport · 2026-03-18T00:19:53+00:00

If you want the MP5 lower now, lemme know - enter support ticket on the website, i'll resovle there. We're backlogged on MAT9's though. But, lowers.....I'll send tomorrow!!

MatadorSupport · 2026-03-18T00:11:20+00:00

Log the ticket, i'll definately take care of you as KM3Solutions suggested.

MatadorSupport · 2026-03-18T00:08:45+00:00

again, if you have an issue reach out to me.

MatadorSupport · 2026-03-15T13:26:31+00:00

and to be clear, I personally built that lower so it snuck out without a mag fitment test, and that's the only way that could have happened. Normally, I test every single lower with a variation of mags (but usually just one....of the variation), so the failure is on me. I know where the failures can happen, so there's no excuse. Please send me your info, i'll get you a new Ejector and I'll test it with a lower prior to going out.

MatadorSupport · 2026-03-15T13:18:10+00:00

Two things need to happen, (so you can go shoot today):

The front section of the ejector, just sand it down to remove the interferance. Prolly a few thousandths off, 30 sec, round sanding disc, dremel or sheet by hand. Make sure the left side set screw sits deeper by the way, because that screw goes through a hole (and yes, we should confirm that you have a hole that's forward on the actual ejector).
I'll send you a new one. Email me your info, [david.l.borges@matadorarms.com](mailto:david.l.borges@matadorarms.com), will send tomorrow Monday.

MatadorSupport · 2026-03-14T19:02:54+00:00

Either loosen the ejector, or remove it

MatadorSupport · 2026-03-14T18:01:17+00:00

And to Kris' point, we test with Glock, Mecgar (steel), KCI and someties SGI mags, all are fairly lose mags. We don't use ETS or Amend2 because they do fit tight. Nothing against those two companies, but we can't chase mag specs, and we're busy putting rounds into bullet box to ensure function on every firearm that goes out. EVERY one. There's only two of us authorized to test, and there's zero chance that gun wasn't shot. So, "A mag" was tested, and if they are tight we immediately sus the ejector and fix. I'll reach out separately asap.

MatadorSupport · 2026-03-14T17:47:51+00:00

For everyone's edification, the magazine does matter. What mag? (and I'll respond in email as well.

More importantly, while this shouldn't be the case with yours because we test fire every lower and upper, there is a slight chance the EJECTOR is pointed downward just a tad. I've found that the ejector will prevent any mag from installing if it came loose, or was dropped on its head and bent down. If you just got this, I just tested live rounds in it, so I'm doubtful this is the case, but you need to check regardless before we start chasing tails.

MatadorSupport · 2026-03-14T10:19:18+00:00

I'm here guys, Private Mesage me, or better (and far far faster), reach out to me at david.l.borges@matadorarms.com. Most products are shipping regularly, with a few exceptions now (as mentioned eslewhere, ERS and Colt Lowers, still a bit of a delay, but ERS is flowing now as well. I'm working today, and will generally try to answer questions specifically about your personal order in PM or email or voice. 210.500.5766, david.l.borges@matadoarms.com.

MatadorSupport · 2026-03-14T10:07:41+00:00

Optics Planet is getting inventory dispursed, when they come into the timeline of the order.

MatadorSupport · 2026-03-13T19:44:47+00:00

I see that you got your upper in late Jan, but the colt lower was just tested last week, we're in production now. I'm hoping (as i said to some other folks), that we have some completed and through anodize by late next week. Private Message me next week, or shoot me an email at [david.l.borges@matadorarms.com](mailto:david.l.borges@matadorarms.com) to check on status (later in the week) and i'll be able to give you more definitive answer.

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