PTR Vent 3 Titanium 5.56 Suppressor
Vent 3 brings PTR’s Purposely Induced Porosity metal-foam tech to a dedicated 5.56 can. The monolithic, 3D-printed titanium body balances strength and heat control with low back pressure for reliable AR-15 operation. Specs are 7.75 inches long, 1.625 inches in diameter, and 11.75 ounces (no mount). The rear is HUB 1.375×24, so you can keep the included 1/2×28 direct-thread or swap to popular QD systems via HUB adapters. It is full-auto capable, finished with a durable internal and external coating, and ships with the DT adapter, manual, warranty card, and sticker. For maintenance, PTR recommends periodic solvent soaks of the PIP section to keep performance consistent over high round counts.
Highlights:
Patented PIP metal-foam for sound reduction and gas control
HUB 1.375×24 rear with 1/2×28 direct-thread included
3D-printed titanium, full-auto capable, easy cleaning guidance
PTR Vent 3 Suppressor – 5.56
$1,299.00
SKU: B519C3B8
Category: Rifle Suppressors for AR-15, .308, and Beyond 435
4 reviews for PTR Vent 3 Suppressor – 5.56
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Joseph K –
Another level of suppression on 556. Beats out all others handily. I never felt like 556 was suppressed until now.
Patrick Rushing –
Yes, it’s that good! Stock 16” and 10.5” non adjustable gas block and 55gr, throws brass at 4:00 no noticeable gas to the face and very quiet. Was shooting under a steel awning with no ear protection. Sounds like shooting a 10/22 unsupressed, just the supersonic crack and some action noise. It will definitely make you smile knowing it was money well spent. Comes with a very nice Pelican style case with good latches that could probably be used as a jack stand.
Christopher Wolf –
This is probably, hands down, the best 5.56mm suppressor available at this time; not only in sound suppression, although it reigns supreme there, but with all the other aspects of operational suppressor usage.
Beginning with the sound suppression, it’s main function, it deserves the top rating it gets from Pew Science (search Pew Science and Vent 3) and more. Realistically, it’s actually hearing safe for a few magazines, and the best description for the sound would be like a muffled, air-powered nail gun without a pop or much of a crack (outside of the bullet itself going supersonic).This would be considered excellent performance for a high back-pressure, non-flow through can, but the fact this is beating out every closed can *as a high flow can itself* is mindblowing.
Moving on to the construction, it’s a 3D printed titanium sponge with complex turbinated geometry and variable porosity; what that means is that it can precisely deal with different parts of the muzzle blast and gas expansion around the bullet as it travels through. The PIP, or Purposely Induced Porosity, leads to a series of external vents that slow and stage the expansion of the plume most responsible for the noise at the muzzle. Because it is a high-flow can, the back-pressure is quite low (more on this later) and ejection port pop seems unchanged from unsuppressed. It’s a long 5.56 suppressor, coming in at 7.75 inches (I consider this normal length, although many people seem to like running 556K cans), but thanks to being a 3D printed titanium sponge, it is very light weight and does not affect gun balance significantly.
Revisiting the back-pressure, it effectively requires no tuning of an AR15 and there is absolutely zero gas-out at the charging handle or ejection port; this is fantastic considering its considerable sound suppression capabilities, as with other flow-through cans out there you have to trade off low back-pressure and low gas-out for each shot sounding like a small pipebomb (sorry HUXWRX). In fact, because it requires no tuning and only increases impedance a bit, I swapped out my H buffer and spring for an H2 hydraulic buffer (KynShot) and a cryogenic Sprinco Enhanced Power blue spring (~15%+ over standard). Recoil became even softer, while the ejection pattern was still a perfect 4 o’clock without any other marking on the casings beside more residue. I take this to mean that it will pair well with an overgassed gun to begin with and will keep the pressure down while still providing more than enough gas volume to retain healthy cyclic rate and open/close velocities on a wide range of BCG/Buffer/Spring combinations. For reference, my AR15 is a 16″ Daniel Defense DD4 RIII and they come overgassed from the factory.
In terms of group size and accuracy, well…I’m now shooting 0.5~0.75 MoA groups at 100 yards and can reliably collateral holes on target at that range; I can even touch strings of holes on target, standing at 50 yards shooting as fast as possible. A big part of this is the AR, but the suppressor definitely tightened the groups up some and there is zero PoI shift. For mounting it up, I use Plan B on a FCD 6315RF muzzle device and an Atlas-R from Revival Defense; you could use Rearden and Wolfpack Armory devices just as easily. Return to zero has been excellent and there has been no carbon lock or walk-off, even after long strings of fire. The can itself is HUB compatible, so you can choose to either direct thread (how it ships) or adapt it for a QD mount.
It can heat up faster than other suppressors, due to its lightweight titanium construction and porous geometry, but it cools down much faster than other suppressors, at an equivalent temperature, for the same reasons. There’s no first round pop, although like all 3D printed titanium cans the first few rounds can be accompanied by white sparks; this reduces almost completely after the first hundred or so rounds (easily one range trip).
With respect to cleaning, the Vent 3 is very easy to clean with either CAT 206, Breakthrough Suppressor Cleaner, or (if you know some chemistry) mixing up your own acid and oxide rinses (really nothing stronger than 30% vinegar and 30% peroxide based solutions are required). One thing I did notice is that it doesn’t tend to retain odors much at all; it doesn’t smell much after a range session and even after a little cleaning smells neutral. I think this is because the organics and carbon residue burn off efficiently in the residual expansion within the porosity and, as the gas cools, the metals and carbon coke out separately since that is all that comes out upon rinsing much later.
All in all, I can’t recommend this suppressor enough; if you are thinking about it, I strongly recommend purchasing it.
Richard L –
The PTR Vent 3 shoots like an absolute dream. I shot it earlier today next to a buddy’s dead air mask on his 10/22 and the similarities were palpable. There is noticeably less gas to my face when compared to my Nomads or my Hybrid 46.
The case it came on was on another level as well.
I would buy this again easy.