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When you're building or working on an AR-15, getting the barrel nut torqued correctly is one of those steps you don't want to fudge. This Precision Reflex Barrel Nut Wrench is the tool a lot of builders reach for because it's simple, overbuilt, and does exactly what it's supposed to. It's machined from 3/8-inch steel with five steel tightening pins that drop into a standard 20-hole pattern barrel nut on a .78-inch radius, so it seats deep and grabs the nut without camming out.
The thing that stands out about this wrench is how it transfers torque. Those five pins spread the load across the nut instead of concentrating it on one spot, which means cleaner engagement and far less chance of rounding off the lugs. Cutouts for both 3/8-inch and 1/2-inch drive let you run it off a breaker bar, ratchet, or a torque wrench when you need to hit an exact spec attaching the barrel to the receiver. The clearance hole runs 1.320 inches, and it's a tool that feels like it'll outlast a lifetime of builds.
This is the standalone wrench, not the version with the long handle, so you'll drive it with your own torque wrench or bar. Folks who've used it tend to note the pins fit snug, sometimes needing a light tap to seat, and once they're in there's no walking or slipping under load. It's designed for standard USGI-style and compatible 20-hole barrel nuts, and it'll pull double duty on the AR-10/.308 pattern nuts that share that layout. If you've ever chewed up a nut with a flimsy multi-tool, this is the upgrade that makes you forget the frustration.
Fit matters here, so if you're running a specialty free-float barrel nut, it's worth confirming the hole pattern and radius match before you set it against the receiver.
No, this is the standalone wrench version with 3/8-inch and 1/2-inch drive cutouts. You supply the torque wrench, ratchet, or breaker bar to drive it. Precision Reflex does make a separate traditional model with a built-in 10-inch handle if you prefer an integrated lever.
It's built for standard 20-hole pattern barrel nuts on a .78-inch radius, which covers USGI-style and many compatible AR-15 nuts. The five pins seat deep and distribute torque evenly for clean engagement. Specialty free-float barrel nuts with different hole counts or radii may not match, so confirm your nut's pattern before use.
Yes. The cutouts accept both 3/8-inch and 1/2-inch drive tools, so you can set the barrel nut to an exact spec with a torque wrench. You can also run it with a breaker bar or ratchet when you just need to break a nut loose.
It works on AR-10/.308 nuts that share the same 20-hole pattern and .78-inch radius layout. Many DPMS and KAC-pattern .308 nuts use a different 22 or 24-hole pattern, which calls for Precision Reflex's dedicated .308 wrench instead. Check your nut's hole count to be sure.
| UPC | 090222551473 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 050082 |
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