External Silencer Booster / Disconnector 1/2×28 With 13.5x1LH Piston
If you’re running a suppressor (or solvent trap tube) on a pistol, chances are you’ve run into cycling issues. That’s where this External Silencer Booster comes in. It’s designed specifically for pistols with Browning-style recoil systems—like Glocks, SIGs, HKs, and others—that need a little extra help when a suppressor’s added weight throws off the slide timing.
This kit includes everything you need to keep things running smooth: stainless steel shell, cap, piston, and spring—all precision-machined from 304 stainless steel for durability and corrosion resistance. No FFL, no tax stamp, no drama.
How It Works
The piston threads into your pistol barrel using the 13.5x1LH (left-hand metric) thread—common on 9mm pistols with factory or aftermarket threaded barrels. The silencer booster housing then gives you a 1/2×28 thread on the suppressor side, which fits most solvent traps or suppressors chambered in 9mm or .380 ACP.
It essentially acts as a shock absorber. The spring inside takes up the recoil force, letting your slide cycle properly even with a can or solvent trap hanging off the muzzle. The result? No failure to eject. No jamming. Just smooth, consistent cycling.
Includes:
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1x Stainless Steel Booster Housing (silver shell)
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1x Stainless Steel Cap
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1x Stainless Steel Spring
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1x 13.5x1LH Piston
Thread Options Available:
We’ve got other adapter sizes if you’re working with different barrel threads:
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.578×28 to Female – In stock
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1/2×28 to Female – In stock
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9/16×24 to Female – Currently on backorder
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5/8×24, 16x1LH – Custom order required
All versions are stainless steel and designed for long-term use under pressure.
Specs at a Glance:
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Material: 304 Stainless Steel
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Weight: 12 oz
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Size: 2.5” x 2.5” x 2.5”
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Thread (Piston Side): 13.5x1LH
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Thread (Suppressor Side): 1/2×28
Why You Might Need One
If your pistol struggles to cycle with a suppressor attached, it’s not broken—it’s just physics. Blowback or tilt-barrel systems weren’t made to handle that extra front-end weight. A booster fixes that without needing to modify your gun or suppressor.
Installation takes less than a minute, and once it’s on, you’ll wonder how you ever ran your setup without it.
No FFL, No Paperwork Required
This is not a suppressor and doesn’t fall under NFA regulations. That means no tax stamp, no registration, and no waiting period. You can buy and install it with peace of mind.
(That said, always make sure to follow your local laws—especially if you’re converting or building suppressors from solvent trap kits.)
Silencer Booster for Sale Online
If you’re running a suppressor on a pistol—or planning to—this booster/disconnector setup will save you headaches and malfunctions. It’s well-made, easy to use, and it just works.
Order today and get back to shooting, not troubleshooting.
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