Description
Gas blowback is one of those things you learn to hate quickly when shooting suppressed pistols. Rugged Suppressors tackled the problem at the piston level with this M16x1 RH unit, which uses a non-slotted design to form a full circumference gas seal. Without slots cut into the body, there is nowhere for gas to sneak back toward your face, so you get a noticeably cleaner, more comfortable experience behind the gun.
Built From 17-4 Stainless, Finished in Copper
Rugged machines this piston from 17-4 stainless steel and heat treats it for strength, so it holds up to the heat, carbon, and repeated cycling that pistons live with. The copper colored finish adds corrosion resistance and makes it easy to spot in your parts bin or tell apart from other thread pitches if you run multiple hosts. The M16x1 right-hand thread pattern covers a range of metric threaded pistol barrels, giving you a solid mounting option for hosts that skip the more common American thread pitches.
Running the Rugged Piston on Your Setup
This piston works with Rugged's Obsidian line of pistol suppressors and drops into the booster assembly the same way as any of their other pistons, so swapping between hosts with different thread patterns takes just a minute. Pistons are made to work with a recoil booster on tilting barrel pistols. One thing worth knowing before you order: if you plan to run this on a fixed barrel host like a carbine or subgun, Rugged calls for replacing the spring with their fixed barrel spacer. That is a quick swap, but it matters for proper function.
Why Keep a Spare Rugged Obsidian Piston Around
Even if you already have the thread pitch you need, a lot of suppressor owners pick up extra pistons so one can can jump between multiple pistols without rethreading anything. It is a small part that adds a lot of flexibility, and with the heat treated stainless construction, it is the kind of piece you buy once and forget about.
Key Specifications
- Manufacturer: Rugged Suppressors
- Manufacturer Part Number: OP005
- UPC: 859383006310
- Model: Suppressor Piston
- Thread Pattern: M16x1 RH
- Material: 17-4 Stainless Steel, Heat Treated
- Finish: Copper
- Design: Non-Slotted, Full Circumference Gas Seal
- Compatibility: Rugged Obsidian Series Pistol Suppressors
- Length: 1.5 in
- Weight: 0.2 lb (shipping)
What’s Included
- Rugged Suppressors M16x1 RH Piston
Frequently Asked Questions
What suppressors does the Rugged OP005 piston fit?
This piston is made for Rugged's Obsidian line of pistol suppressors, including the Obsidian 45. It drops into the booster assembly just like Rugged's other thread pitch pistons, so switching between hosts is quick and simple.
Why is the Rugged piston non-slotted?
Traditional slotted pistons let gas vent back through the cuts, which contributes to gas blowback in your face. Rugged's non-slotted design creates a full circumference gas seal, so more gas stays where it belongs and the shooting experience is noticeably cleaner and more comfortable.
Can I use this piston on a fixed barrel gun like a carbine or subgun?
Yes, but with one change. Rugged specifies that on fixed barrel platforms, the spring in the booster assembly needs to be replaced with their fixed barrel spacer for proper function. On tilting barrel pistols, the piston runs with the standard booster spring as normal.
What firearms use an M16x1 RH thread pattern?
M16x1 right-hand is a metric thread pitch found on a number of European pistol barrels and some aftermarket threaded barrels. Check your barrel's thread specs before ordering, since metric pitches can look similar at a glance. If your barrel is marked M16x1 RH, this is the piston you want.




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