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QDSS-NT4 Pic Thread (Page 5 of 5)

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1/31/2026 11:31:58 PM EDT
[Last Edit: TheTacticalCoyote][Edited] [#1]
Quote History
Originally Posted By The-Snail:
https://i.imgur.com/qrC7yNG.jpg

A transferable MK18 Mod0 I bought from a Colt executive many years ago (13-14ish). Bought 4 m16s from him at the time. Still have all of the others NIB, but I shoot this one because I couldn't resist.
View Quote

100/100. Absolutely gorgeous. Thanks for sharing and drop the link to the video when you do please.

Edit accidental page ownage. Here is my NT4 on my Mk18. Attached File
Originally Posted By bradpierson26:
So I know you're a SF whore . . . . .
1/31/2026 11:58:00 PM EDT
[#2]
2/7/2026 5:06:08 PM EDT
[Last Edit: TNW][Edited] [#3]
2/26/2026 10:03:31 AM EDT
[#4]
I have a  Knight's Armament Co. QDSS NT-4 PRG waiting for me when I get back from deployment, will I love it? For reference, I have the turbo k, resonator K, recce 5 and sico harvester.
We few, we happy few, we band of brothers, For he today who sheds his blood with me shall be my brother.

Henry the V
2/26/2026 12:59:32 PM EDT
[#5]
Quote History
Originally Posted By Hawkeye66:
I have a  Knight's Armament Co. QDSS NT-4 PRG waiting for me when I get back from deployment, will I love it? For reference, I have the turbo k, resonator K, recce 5 and sico harvester.
View Quote


I’ve been happy with mine. It’s heavy but it sounds good and has run great on my 16” and 14.5” SR-15s.

Question for the hive: is there any issue running it on a 7.5” barrel? Toss up if I’m going to use the tripple tap or regular flash hider.
3/6/2026 4:00:21 PM EDT
[#6]
3/6/2026 5:06:32 PM EDT
[#7]
Quote History
Originally Posted By Hawkeye66:
I have a  Knight's Armament Co. QDSS NT-4 PRG waiting for me when I get back from deployment, will I love it? For reference, I have the turbo k, resonator K, recce 5 and sico harvester.
View Quote

NT4-PRG is super rad imo. Still has the QDSS wobble from the old NT4 but there's no getting around that if you want NT4 vibes. So nice to not inhale life-altering amounts of aerosolized toxins with every shot.
3/8/2026 3:27:59 PM EDT
[#8]
Finally took the plunge and ordered an NT4 (legacy) for my MK18

Figured they would stop selling them at one point and needed to buy one now if I was going to do it.


I know the new KAC "enhanced compensator" aka Triple Tap is available again.

For people here that have used the regular M4 vs Triple Tap, is the decreased baffle wear a significant thing?

The new Triple Tap is expensive (cheap compared to the originals) but NT4s aren't exactly cheap either. And there is no promise they'll even be available in a few years.
3/9/2026 1:20:32 PM EDT
[#9]
Quote History
Originally Posted By Rigley:
Finally took the plunge and ordered an NT4 (legacy) for my MK18

Figured they would stop selling them at one point and needed to buy one now if I was going to do it.


I know the new KAC "enhanced compensator" aka Triple Tap is available again.

For people here that have used the regular M4 vs Triple Tap, is the decreased baffle wear a significant thing?

The new Triple Tap is expensive (cheap compared to the originals) but NT4s aren't exactly cheap either. And there is no promise they'll even be available in a few years.
View Quote


Too soon to say but I have the OG flash hider on one gun, the M4QD MAMS on another and the new Tripple tap on a third. I'm sure the TT does a better job of protecting the baffles but it's not like the NT4 is a fragile can, it may take 5-10,000 rounds before you get your answer.
3/9/2026 9:04:58 PM EDT
[#10]
Quote History
Originally Posted By Mblades:


Too soon to say but I have the OG flash hider on one gun, the M4QD MAMS on another and the new Tripple tap on a third. I'm sure the TT does a better job of protecting the baffles but it's not like the NT4 is a fragile can, it may take 5-10,000 rounds before you get your answer.
View Quote View All Quotes
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Quote History
Originally Posted By Mblades:
Originally Posted By Rigley:
Finally took the plunge and ordered an NT4 (legacy) for my MK18

Figured they would stop selling them at one point and needed to buy one now if I was going to do it.


I know the new KAC "enhanced compensator" aka Triple Tap is available again.

For people here that have used the regular M4 vs Triple Tap, is the decreased baffle wear a significant thing?

The new Triple Tap is expensive (cheap compared to the originals) but NT4s aren't exactly cheap either. And there is no promise they'll even be available in a few years.


Too soon to say but I have the OG flash hider on one gun, the M4QD MAMS on another and the new Tripple tap on a third. I'm sure the TT does a better job of protecting the baffles but it's not like the NT4 is a fragile can, it may take 5-10,000 rounds before you get your answer.


You're right. They're built like tanks as it is.

I went ahead and ordered one (Silencer Shop has them in stock btw).

I'll just convince myself it's going to double the life of my NT4 to justify spending $300 on an AR15 muzzle device.

Or "People used to spend $1000+ on the OG version, so buying this one is actually saving me money!"
3/9/2026 11:17:13 PM EDT
[#11]
Quote History
Originally Posted By Rigley:


You're right. They're built like tanks as it is.

I went ahead and ordered one (Silencer Shop has them in stock btw).

I'll just convince myself it's going to double the life of my NT4 to justify spending $300 on an AR15 muzzle device.

Or "People used to spend $1000+ on the OG version, so buying this one is actually saving me money!"
View Quote


lol, pretty much the exact same justification I used to talk myself self into it.

The normal flash hider is about $100 so the delta to the tripple tap isnt that much and like you said they went for stupid money for a long time, plus they just look cool



3/31/2026 9:23:12 PM EDT
[#12]
The $399 21318 deal at AU got me.

Mocked up on a 13.7 "intermediate" gas upper

Be killing sin or sin will be killing you. -John Owen
4/13/2026 7:12:56 PM EDT
[#13]


4/13/2026 7:48:55 PM EDT
[#14]
Quote History


Mojo
Be killing sin or sin will be killing you. -John Owen
5/6/2026 4:13:59 PM EDT
[Last Edit: MarkEighteenMan][Edited] [#15]



This is nice
5/6/2026 4:55:55 PM EDT
[#16]
Got the Glssc upper zeroed. A little gassy but locks back with H2 and M193 so it'll do.

5/6/2026 4:58:17 PM EDT
[#17]
Quote History
Originally Posted By Eyekahn:
Got the Glssc upper zeroed. A little gassy but locks back with H2 and M193 so it'll do.

https://www.ar15.com/media/mediaFiles/240977/IMG_5586-3758279.jpg
View Quote


I am waiting for DD to release the rail by itself, did you just use the factory 12.5 DD barrel?

It looks good NT4s look good with Ris 2s
5/8/2026 2:57:20 PM EDT
[#18]
what zero did you use for the Razor on the 12.5?
5/8/2026 4:22:43 PM EDT
[#19]
Quote History
Originally Posted By MarkEighteenMan:


I am waiting for DD to release the rail by itself, did you just use the factory 12.5 DD barrel?

It looks good NT4s look good with Ris 2s
View Quote


I bought the upper then swapped out the one with all the markings. Pricey upper but I really thought they were a limited run. Whatever. It's a sick upper regardless.
5/8/2026 4:25:06 PM EDT
[#20]
Quote History
Originally Posted By The_Reading_Texan:
what zero did you use for the Razor on the 12.5?
View Quote


36m

With my load and elevation it lets the mil hash marks land on pretty solid drops.

7/19/2026 7:49:51 AM EDT
[#21]
Male living space



2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
7/20/2026 8:22:22 PM EDT
[#22]
Originally Posted By MNRidesHonda:
Male living space

https://i.imgur.com/a6KALBs.jpeg

View Quote


Don't threaten me with a good time.
We few, we happy few, we band of brothers, For he today who sheds his blood with me shall be my brother.

Henry the V
9/11/2026 4:08:16 PM EDT
[#23]
Warranty be damned. HUB converted NT4.

9/11/2026 9:28:39 PM EDT
[#24]
Quote History
Originally Posted By Outrider:
Warranty be damned. HUB converted NT4.

https://i.imgur.com/5Ubmr8e.jpg
View Quote


But why? I hate Hub. It’s an invitation for the hub adapter to loosen with use.
9/12/2026 1:55:12 AM EDT
[#25]
Quote History
Originally Posted By Outrider:
Warranty be damned. HUB converted NT4.

https://i.imgur.com/5Ubmr8e.jpg
View Quote
That's like Honda K swapping a '69 Camaro Z/28
2nd Battalion 9th Marines Echo Company

3rd Battalion 8th Marines India Company
9/12/2026 7:20:12 AM EDT
[#26]
Quote History
Originally Posted By EnablerNo1:


But why? I hate Hub. It’s an invitation for the hub adapter to loosen with use.
View Quote


I haven't had that problem and am streamlining the mounting systems in my collection.
9/13/2026 12:05:46 AM EDT
[#27]
I think it’s cool. It’s not like the Nt4 mounting system is something special or even all that good and like it or not HUB is the standard.
9/14/2026 4:45:52 PM EDT
[#28]
Quote History
Originally Posted By Mblades:
I think it’s cool. It’s not like the Nt4 mounting system is something special or even all that good and like it or not HUB is the standard.
View Quote


If hub is what you have your guns setup for then why not?  

Pic thread...

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QDSS-NT4 Pic Thread (Page 5 of 5)

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