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Pistons are one of those small parts that make a big difference in how a suppressed pistol runs, and Rugged got the details right on this one. The M14.5×1 LH piston (part number OP008) drops into your Rugged Obsidian piston housing and lets you mount the can on hosts with metric 14.5×1 left-hand threaded barrels. What sets it apart from a lot of pistons on the market is the non-slotted design. Instead of cutting slots that let gas vent back toward you, Rugged machined this piston to create a gas seal around its entire circumference. The practical payoff is noticeably less blowback, which means a cleaner shooting experience and fewer fumes drifting back through the action.
Rugged machines this piston from 17-4 stainless steel and heat treats it, so it holds up to the heat, pressure, and carbon that pistons live with every time you pull the trigger. The copper-tone finish makes it easy to spot in your parts bin, and the stainless underneath shrugs off corrosion even when cleaning day keeps getting pushed back. At roughly 1.5 inches long and just a couple ounces, it stashes easily in a range bag alongside your other thread patterns.
On a handgun, this piston works with the booster assembly the way you would expect, letting the recoil system cycle reliably with the added weight of the suppressor. If you are mounting on a fixed-barrel host like a carbine or subgun, swap the piston spring for a fixed barrel spacer so the mount stays put instead of trying to cycle. It is a quick change and worth doing before you head to the range.
If you run one Obsidian across several hosts, keeping a piston in each thread pattern you own is the easy way to move the can from gun to gun without adapters stacking up on your muzzle. This one covers the M14.5×1 LH slot in your lineup.
This piston is made for the Rugged Obsidian 45 and drops right into its piston housing. It is part of Rugged's interchangeable piston series, so you can swap thread patterns in seconds and move one can between multiple hosts.
Yes, but with one change. On fixed-barrel platforms you need to replace the piston spring with a fixed barrel spacer, which is sold separately. The spacer locks everything up solid since a fixed barrel does not need the booster action that a tilting pistol barrel does.
Traditional slotted pistons let gas vent backward through the slots, which is a big contributor to blowback on suppressed pistols. Rugged's non-slotted piston seals gas around the full circumference, so more of it stays in the can and less ends up in your face. The difference is noticeable over a range session.
Absolutely. 17-4 is a hardened stainless alloy that handles heat and pressure well, which is why Rugged also uses it for the baffles in the Obsidian line. This piston is heat treated on top of that, so with basic cleaning it should outlast just about everything else in your setup.
| UPC | 859383006341 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | OP008 |
| Length | 1.5 |
| Model | |
| Package Height | 3.0 |
| Package Width | 2.0 |
| Product Type | Piston |
| Shipping Weight | 0.11 |
| Thread Pattern | M14.5×1 LH |
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