Description
Anyone who runs force-on-force training knows the problem: you swap to marking rounds and suddenly your rifle handles nothing like it does with your real can hanging off the end. The Dead Air Sim Round Training Suppressor (SRTS) in the Sandman K configuration fixes that. It mirrors the footprint and heft of the live Sandman K, so your sight picture, balance, and muzzle awareness stay consistent whether you are on a live range or in a shoot house running Simunition.
Built Like a Sandman K, Made for Marking Rounds
This is not a dummy tube. The SRTS Sandman K is rated for non-lethal training and man-marker ammunition like Simunition, FX, and UTM, so it stays on the gun through full scenario work. Dead Air machined it from 7075 aluminum with stainless steel components and finished it in Type II anodizing, keeping weight down to 13.3 ounces at 5.4 inches long with a 1.5 inch diameter. That is right in line with the real Sandman K, which is exactly the point. There are no barrel restrictions to worry about, just mount it on your training gun and go to work. One thing worth repeating from the manufacturer: this unit is for marking rounds only, never live ammunition.
HUB Mounting With KeyMo Included
The SRTS uses the industry standard HUB pattern with 1.375×24 threads, and Dead Air ships it with a KeyMo adapter already in the box. If your live can runs KeyMo muzzle devices, your training rifle mounts up the exact same way, which keeps the whole system honest to how you run it for real. You can also swap in any other HUB adapter to match your setup.
Who Should Grab the Sandman K Training Can
Instructors, agencies, and serious students running scenario-based training will get the most out of this. If your duty or home defense rifle wears a Sandman K, this is how you keep your training rig true to the real thing without putting rounds through your actual suppressor.
Key Specifications
- Manufacturer: Dead Air Silencers
- Model: Sim Round Training Suppressor (SRTS), Sandman K
- Manufacturer Part Number: IS1004
- UPC: 810128161459
- Length: 5.4 in
- Diameter: 1.5 in
- Weight: 13.3 oz
- Materials: 7075 Aluminum, Stainless Steel
- Finish: Type II Anodized
- Rating: Training marking rounds only (not for live fire)
- Munition Compatibility: Simunition, FX, UTM and similar man-marker training ammo
- Mounting: HUB compatible (1.375×24), KeyMo adapter included
- Barrel Restrictions: None
- Shipping Weight: 1.3 lbs
What’s Included
- Dead Air SRTS Sandman K training suppressor
- KeyMo adapter
Frequently Asked Questions
Can I shoot live ammunition through the Sandman K SRTS?
No. The SRTS is built strictly for non-lethal training and man-marker ammunition like Simunition, FX, and UTM. It is not rated for live fire under any circumstances, so keep it on your dedicated training gun.
How closely does the SRTS match the real Sandman K?
Very closely, which is the whole point. At 5.4 inches long, 1.5 inches in diameter, and 13.3 ounces, it puts the same weight and profile on your muzzle as the live can. Your balance, sight picture, and handling stay consistent between live range work and scenario training.
What mounting system does the Dead Air SRTS Sandman K use?
It runs the standard HUB pattern with 1.375×24 threads, and a KeyMo adapter comes in the box. If your live Sandman K runs KeyMo muzzle devices, your training rifle mounts up identically. You can also swap in any other HUB-pattern adapter to match your setup.
Are there any barrel restrictions with the SRTS Sandman K?
No, Dead Air lists no barrel restrictions for this unit. Since it only sees low-pressure marking rounds rather than live ammunition, you can run it on whatever training gun your program uses.




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