Description
Gemtech has been building suppressors longer than most companies in the game, and the TREK-II carries that experience into a compact, hard-working 5.56 can that does not overcomplicate anything. It threads straight onto any 1/2-28 muzzle, measures just 5.7 inches long with a 1.5 inch diameter, and weighs in at 16.2 ounces. That slim profile keeps it clear of iron sights and low-mounted optics, and it will not turn your handy carbine into a nose-heavy pole.
Built Like a TREK-II Should Be
The tube and internals are machined from 17-4 PH stainless steel with a non-welded design, then finished in high-temperature black Cerakote that shrugs off heat and holds up to weather and handling wear. This thing is full auto rated, so a hot range day on a semi-auto carbine is not going to faze it. Gemtech rates it for barrels 10.3 inches and longer, which covers everything from short-barreled builds to full-length rifles. Sound reduction comes in around 29 dB, taking the crack of 5.56 down to a much more comfortable level while also knocking down muzzle flash and concussion for you and anyone standing next to you.
Why the TREK-II Makes Sense on Your Rifle
Direct thread mounting keeps things simple. No proprietary muzzle devices to buy, no locking collars to fiddle with, just spin it on and shoot. The updated design also makes it straightforward to pin to an 11 inch or longer barrel if you want a permanent setup on a shorter build. Whether it lives on a range carbine, a truck gun, or a dedicated host you shoot every weekend, the TREK-II gives you legit Gemtech performance in a can that is small enough to leave on the rifle full time. For a stainless, full auto rated 5.56 suppressor at this size and weight, it is tough to find much to complain about.
Key Specifications
- Manufacturer: Gemtech
- Model: TREK-II
- Manufacturer Part Number: 12110
- UPC: 609728889609
- Caliber Rating: .223 Rem / 5.56 NATO
- Mount Type: Direct Thread, 1/2-28
- Overall Length: 5.7 inches
- Diameter: 1.5 inches
- Weight: 16.2 oz
- Material: 17-4 PH Stainless Steel
- Finish: High-Temperature Matte Black Cerakote
- Sound Reduction: 29 dB
- Full Auto Rated: Yes
- Minimum Barrel Length: 10.3 inches
What’s Included
- Gemtech TREK-II 5.56mm suppressor
Frequently Asked Questions
What barrel lengths can I run the Gemtech TREK-II on?
Gemtech rates the TREK-II for barrels 10.3 inches and longer in 5.56 NATO. That covers most short-barreled carbines all the way up to full 16 and 20 inch rifles. The design also allows for easy pinning to barrels 11 inches or longer if you want it permanently attached.
Is the TREK-II full auto rated?
Yes. The TREK-II is built from 17-4 PH stainless steel and carries a full auto rating from Gemtech. For most owners running semi-auto rifles, that rating translates to a can that handles fast strings and long range sessions without breaking a sweat.
Do I need a special mount or muzzle device for the TREK-II?
No, this is a direct thread suppressor. It screws right onto any standard 1/2-28 threaded muzzle, which is the common thread pattern on most 5.56 and .223 rifles. Just remove your muzzle device, thread the can on hand tight, and you are ready to shoot.
How much does the Gemtech TREK-II reduce sound?
The TREK-II is rated for roughly 29 dB of sound reduction on 5.56mm. That takes the sharp crack of a 5.56 rifle down to a far more manageable level and cuts muzzle flash and blast noticeably. At only 5.7 inches long and 16.2 ounces, it delivers that suppression without adding much bulk to your rifle.





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