I see Griffin used to produce a linear comp compatible with gate-lok suppressors, but sadly it is no more.  I'm curious what caused it to be discontinued; seems odd that such a device would not sell well.  Seems like it'd be the perfect solution for Gate-Lok owners with short barrels that may not always be run suppressed.

As a new M4SDK owner, I'd sure like to have one.

It was a vendor part we never made it in house.  I guess we just didn't get to it. Internal material removal is tough, so if this came back, it would probably have to be a laser welded two piece muzzle device like our taper mount linear comp.

Thanks for taking the time to explain, Austin.  I will keep my fingers crossed you run out of more pressing projects and maybe circle back around to this one.  

Like I say, seems like a perfect solution for SBR folks that don't want to run suppressed 100% of the time for whatever reason, but still want to mitigate some of the excessive SBR blast where possible vs a brake/standard comp.

I don't think it's a bad idea- we're just working a lot of stuff on the firearms side and it's keeping us occupied at the moment.  Maybe we can get to it, but I'd also like to do something that protects the baffles a bit better when its in the can.

That's my dilemma from the customer side too. I don't want to run a brake or a flash hider on a shorty that ends inside the rail when it may get taken out without a matching suppressor, but for a barrel short enough to end inside a rail, a brake is almost a requirement if I care about the blast baffle. (Griffin SR or similar can inside rail setup)

Question - how much different is the impact on the blast baffle with a flash hider compared to a linear comp?

Too bad the gate lock  and dual lock  blast shields  can't be run under a rail. :-/
On the positive side, I do have some taper mount brakes and a taper blast shield ....

I don’t have specific experience with the linear comp, I just don’t think it is a baffle happy design.

For under rail applications, the recommended route is to use a taper mount direct thread adapter.  They have like a mk2 bren inspired tapered cone geometry and will reduce risk of muzzle blast injuries to hands over the rail when conservatively installed within an inch or so of end of the rail.

The impact to the interior of the blast shield is nil, no matter what muzzle device you use. You’d have to do some heinous shit to harm it in a way that would noticeably affect its function.

FA + 10.5" = abuse & erosion
I've already stretched an AAC closed tine flash hider enough that it locked itself into the mount.  
The first baffle isn't gone, but it has obviously been rode hard and put away wet.

I’ve used a Gate-Lok blast can a good bit on an 11.5” in semi and full, and while I can see evidence of that nonsense with a flashlight, there has been no effect on dimensions that matter, or performance.

I’m a bit curious….it had 3 holes on top to vent gasses for countering muzzle rise, plus a “baffle” at the end of its expansion chamber. I would think silencer protection would be between an A2 and a brake, correct? I wish I’d have bought a couple of these a ways back. Really fits conceptually with the Gate Lok cans because it won’t make you miserable to shoot unsuppressed.

I noticed that most of the longer Gate Lok devices disappeared when the GP-NATO came out. It limits devices to A2 length, except for open tines extending beyond that, because it has three internal tabs that index with the mouth of the A2. These tabs can slip between tines on the new flash hider or the Flash Comp. I wish y’all’d bring back the old devices like the big ass two chamber brake (3 gun), the Tactical Comp, and the linear comp; just tell customers not to use them with the NATO adapter/can. Probably an assache for CS, though. My closed-time Gate Lok flash hiders have become prized possessions, as well, due to irreplaceability.

I think we had a bit of a disconnect here. I have no concern about eroding a blast can. Those are easily replaced. I was talking about blast baffles.

I was just talking with a buddy about this last night. He has the GateLock .30 can and was looking for more mounts like the ones he already has. Apparently these are rather old and long gone....
Attached File

Yeah, I completely misunderstood you. My mistake.

@1168RGR

We do make a closed tine flash hider again.  It is A2 length, but it performs substantially better than A2, and reduces muzzle rise more, and also is BFA compatible and bore sight collimator compatible as well as features a wire cutter.

The linear comp was a vendor part, we never made it in house.  If we were to make it, we would probably make it two pieces and laser weld it for ease of manufacturing however we have like 17,000 muzzle devices on the production schedule right now and I’ve had to push R&D projects back to tackle production at the moment.  

We do have a closed tine flash hider in 30cal for the 30SD.

The brake we could potentially bring back, but again its a bad time for development.  

I believe at present the m4SD-2 and m4SDk are being collapsed into one k model that will have a Recce 5K stack and front cap.

The M4SDL will be the other model.  The A2SQD will probably take some sales from gate lok cans.

We have a planned R&D project to attempt a low cyclic increase can but that was pushed back 7-8 weeks in favor of production of 7000 cans to support market sales.  The R&D would have probably crapped on 3000 of those cans, and historically we have made a lot of R&D first decisions but to the end result of things like making a fantastic M4SD-L after 4 months of aggressive R&D, and then selling like 200 in 12 months because nobody believes it is worth a shit.

Thanks; I’ve been using the taper version of your new closed-tine flash hider, and I like it. Kinda lame reason, but what I miss about the old Gate Lok one is that it has a certain “vibe” P/W on a Block II clone. That’s a pretty narrow niche, of course, and I do have a spare, in case I want to do another P/W later.

I feel you on the busy-ness. NFA stuff has gone bonkers, so I fully expect y’all to streamline. Some of the legacy stuff was uniquely cool, but cool doesn’t pay bills. Obviously “good” ideas can be too frequent, and inefficient, too.

I appreciate that y’all continue to evolve. I’m one of the dudes that bought a M4SD-L, as early as possible, because I’ve wanted one for a looong time. I think the reason it’s not selling much is lack of visibility, and lack of stock on LGS shelves.

That sounds pretty neat. Will it still have the external fluting (or whatever you call it) like the current Gate-Lok cans? I may be an outlier but I love that whisper pickle aesthetic. The M4SD-K is probably my favorite suppressor overall, so I'm very interested in seeing how this one turns out.



That sucks, got to play with an M4SD-L at NRAAM and it seems awesome. Unfortunately mine is still pending, but I'm looking forward to finally getting to shoot it.

Well I appreciate a few people jumping in on the M4SDL.

It wasn’t like all loss as during the R&D for that we also developed the rev2 DL5.  Also the PSR5 is getting the SDL stack- this was kind of quickly decided and the decision was made based on a cleaner tone and known lower flash characteristics.

The sdk with the Recce 5 stack and cap will still have the design patented cosmetic geometry on the tube.

Losing a baffle will make it a bit lighter, and the rear is no longer thread and TIG, so it is lighter with laser welding like the m4sdL but the 5K cap is slightly heavier so that might reduce weight loss to around 1 ounce.

Don't worry --- I'll have some range time in a few weeks. I'll get my buddy to do some pics with an M4SDL to tease you with.

hmm.. that's right. Approvals are stupid-fast anymore. You may well have yours on a range before I do. Darn.

Sounds like I'm gonna have to start saving for that one after I get an A2S-QD then. Got hands on with that at NRAAM too, I liked it. Y'all still doing the Red Cross program? If I accidentally dropped my Rotex and bent the end cap or something could I send it your way?



Everyone claims they're stupid fast now, but it's been like three months for this one. I had several cans get approved faster last year, it's all so random.

@pomyluv

Yeah red cross is still going.  The cans don’t even have to be defective.  If you don’t like your can, we can help through that program.

Have an M4SDL being delivered today.

Thats a really solid can.  I hope you like it.  Thanks for your business.

Took it out yesterday with the new HRT 556 also. Great cans, probably 400 rounds between the 2. No gas in the face, sounded great, balanced. Very happy with them. Thanks

Glad to hear you liked them.