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Most modern semi-auto pistols run a Browning-style tilting barrel, and hanging a suppressor off the muzzle without a booster is a quick way to turn your pistol into a single-shot. That's the whole reason this piston exists. The Dead Air Mojave Piston in 1/2-28 gives your Mojave 9 or Mojave 45 the correct interface for standard threaded 9mm barrels, letting the barrel unlock and tilt the way it was designed to even with the extra weight of a can up front.
This piston works as part of the PB500 booster assembly and internal spring that already ship with the Mojave 9 and Mojave 45, so there's no extra hardware to hunt down. Thread it in, mount up, and your host pistol keeps cycling like it should. The 1/2-28 thread pattern is the standard for threaded 9mm pistol barrels in the US, which covers the vast majority of factory and aftermarket threaded barrels out there. Machined to Dead Air's factory spec, it keeps the suppressor aligned and concentric shot after shot, and the black finish matches the rest of the Mojave lineup.
Dead Air designed the piston system so one suppressor can move between different firearms without drama. Keep this 1/2-28 piston for your 9mm pistols, and grab additional pistons in other thread patterns if you run metric-threaded imports or larger calibers through a Mojave 45. If you want to run the same can on a fixed-barrel host like a PCC, pair the setup with Dead Air's fixed barrel spacer instead of relying on the booster.
Whether you're setting up a second host or replacing a piston that's seen a lot of rounds, this is the correct factory part, sized right and finished to match. It's one of those small pieces of gear that quietly does its job so everything else runs smooth.
Yes. This piston is designed for both the Mojave 9 and Mojave 45 suppressors when they're mounted on tilting-barrel handguns. It functions as part of the PB500 booster assembly and internal spring that come standard with both cans.
No. The PB500 booster assembly and internal booster spring already ship with the Mojave 9 and Mojave 45. This piston simply installs into that assembly, so you only need this part to set up a 1/2-28 threaded 9mm host.
1/2-28 is the standard thread pattern for most American-made threaded 9mm pistol barrels, including the majority of factory and aftermarket options. If your barrel is a metric European thread like M13.5×1 LH, Dead Air offers that piston separately, so double check your barrel's thread pitch before ordering.
A booster piston is meant for tilting-barrel pistols, since fixed barrels don't need the recoil boost to cycle. For fixed-barrel hosts like pistol caliber carbines, Dead Air makes a fixed barrel spacer for the Mojave line that's the right tool for that job.
| UPC | 810128161886 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PB440 |
| Caliber/Gauge | 9mm |
| Color | Black |
| Package Height | 0.5 |
| Package Width | 4.5 |
| Product Type | Accessory-Silencer Accessories |
| Shipping Weight | 0.1 |
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