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Building or tuning an AR is a lot smoother when you've got the right wrench in hand, and the JE Machine TS-GT55 is built to be the only one you reach for. This is a forged steel combo tool made for the .223/5.56 platform, engineered to install and remove barrel nuts, castle nuts, muzzle devices, and buffer tubes without switching between a drawer full of separate tools. The heavy-duty handle gives you the grip and leverage to break loose a stubborn nut or torque one down clean.
The layout on this thing covers the big jobs on an AR build. You get a barrel nut wrench, a muzzle brake wrench, and a 3-point castle nut wrench that seats into the notches for even, secure pressure on your receiver extension. It'll install or disassemble nuts, compensators, and buffer tubes, so whether you're swapping a handguard, timing a muzzle device, or setting up a collapsible stock, the TS-GT55 has a spot for it.
Besides the AR-specific cutouts, this wrench works in your drive sockets and hex tools. It's set up with a 1/2" drive and a 1/4" drive, plus a 7/16" hex and a 1/4" hex. That 1/2" drive is the one you want when you pair it with a torque wrench to hit spec on a barrel nut, which is the kind of job where getting the torque right actually matters for accuracy and reliability down the road.
JE Machine builds this one in the USA from heavy-duty steel, and it feels the part when you pick it up. Folks who've run it note it holds up to real work and does exactly what an armorer's wrench should, whether you're a first-time builder or someone who's put together a stack of lowers. If you want one solid tool that replaces half a bin of single-purpose gadgets, this fits the bill.
It's built to install and remove barrel nuts, castle nuts, and muzzle devices like flash hiders and compensators. It also works on buffer tubes and receiver extensions, so it covers most of the common bench tasks when you're building or maintaining an AR. The 3-point castle nut wrench seats securely for even pressure when you're setting a stock.
Yes. The wrench has a 1/2" drive that accepts a torque wrench, which is what you want for critical jobs like torquing a barrel nut to spec. Getting consistent torque on those parts helps with accuracy and long-term reliability, so pairing it with a torque wrench is the way to go for the important stuff.
It's heavy-duty forged steel, not aluminum. Some listings show conflicting material info, but the tool is steel and built to handle real torque without flexing or wearing out. It's also made in the USA.
It will. The .223 and 5.56 share the same AR-15 platform dimensions, so the barrel nut, castle nut, and muzzle device fitments are the same across both. Whether your rifle is marked .223 or 5.56, the TS-GT55 fits the standard AR components.
| UPC | 811577033564 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | TS-GT55 |
| Length | 15.4000 |
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