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One of the smartest things about the Rugged Obsidian line is the swappable piston system, and the OP007 is the piece that gets your Obsidian 45 mounted on hosts with a 9/16×24 thread pattern. That pitch shows up most often on threaded .40 S&W and 10mm barrels, so if you have been wanting to run your .45 caliber can on one of those pistols, this is the part that makes it happen. Unscrew your current piston, thread this one in, and you are back on the range without buying a whole second suppressor.
Rugged went with a non-slotted piston design here, which creates a gas seal around the entire circumference instead of letting gas vent through cutouts. In practice that means noticeably less blowback coming back at your face, and anyone who has spent an afternoon behind a suppressed pistol knows how much that matters. Less gas at the rear also means a cleaner gun and a more comfortable shooting session overall.
The piston is machined from 17-4 stainless steel and heat treated, so it stands up to the pressure and carbon abuse that booster assemblies live with. The copper colored finish makes it easy to spot in your parts bin and tell apart from other thread pitches if you keep a few pistons on hand for different hosts.
A piston with a booster spring is meant for tilting barrel pistols. If you plan to mount your Obsidian on a fixed barrel host like a carbine or subgun, the spring needs to come out and be replaced with a fixed barrel spacer. Match the thread pitch to your barrel, keep the threads clean, and this little chunk of stainless will quietly do its job for a very long time.
The OP007 is made for the Rugged Obsidian 45 and its piston-driven mounting system. It threads into the booster assembly just like the factory piston, so swapping it in takes only a minute or two. Just confirm your host barrel is threaded 9/16×24 before ordering.
The 9/16×24 pattern is most common on threaded barrels chambered in .40 S&W and 10mm. If you are not sure what pitch your barrel carries, check with the barrel manufacturer, since running the wrong piston can cause baffle strikes or loosening under fire.
You can mount the suppressor on a fixed barrel host, but the booster spring has to be removed and replaced with a fixed barrel spacer. Fixed barrels do not need the recoil boost that tilting barrel pistols require, and leaving the spring in can cause reliability issues. The spacer is sold separately.
Slotted pistons let gas escape through the cutouts, and a lot of that gas ends up coming back toward you. The OP007 seals around the full circumference of the piston, which cuts blowback noticeably and keeps the action cleaner. It is a small design change that makes suppressed pistol shooting a lot more pleasant.
| UPC | 859383006334 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | OP007 |
| Length | 1.5 |
| Model | |
| Package Height | 3.0 |
| Package Width | 2.0 |
| Product Type | Accessory-Silencer Accessories |
| Shipping Weight | 0.1 |
| Thread Pattern | 9/16"x24 |
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