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Backup irons are one of those things you don't think about until you need them, and the Griffin Armament M2 rear sight is built to be there when that moment comes. It's part of Griffin's Micro Modular Sight lineup, machined from QPQ-treated 17-4 and ordnance-grade steel, so you're getting a real metal sight instead of the polymer flip-ups a lot of rifles ship with. It clamps onto any Mil-Std 1913 Picatinny rail and pairs with a standard A2 front post.
The big draw here is the patent-pending modular base plate system. Out of the box it comes set up for a traditional 12 o'clock mount, but the same sight can be reconfigured to run as an ambidextrous 45-degree offset using Griffin's angle plates. That flexibility means the M2 works whether you're building a dedicated iron-sight rifle or setting up offset backups next to a red dot or LPVO. Folded down, it's one of the smallest footprints on the market, sitting low and snag-free so it stays out of the way of your optic and your hands.
Windage runs off a low-profile slotted screw on the right side of the base. It's designed to be turned with whatever's handy, a flathead, a coin, even the rim of a spent case, and the detents hold their setting once you've got your zero. The single peep aperture is sized to give a clean sight picture on the front post without a bunch of leaves or inserts to fuss with, and folks who've run them report solid hits well past a hundred yards. Both flip assemblies use robust spring tension, so the sight towers return to the same spot every time you raise them.
Griffin Armament is a combat-veteran-owned shop building in-house out of Watertown, Wisconsin, and it shows in the fit and finish on this one. If you want a compact, dependable steel backup that gives you room to grow as your setup changes, the M2 rear is a smart pick.
No. This listing includes the rear sight along with the 12 o'clock vertical base and fastener. The 45-degree angle plates that let you run it as an offset sight are sold separately, so you can add them if and when you want to reconfigure.
Yes. The M2 is designed around a standard A2 front sight post, so it pairs cleanly with Griffin's own M2 front or most common A2-style front sights. That also means you can swap in aftermarket posts like tritium or fiber optic if you prefer.
Windage is handled by a low-profile slotted screw on the right side of the base. You can turn it with a flathead screwdriver, a coin, or even the rim of a spent case, and the detents hold your zero once it's set. There's no elevation on the rear since that's handled at the front post.
It's all metal. The M2 is machined from QPQ-treated 17-4 and ordnance-grade steel, which is a step up from the polymer flip-up sights that come standard on a lot of rifles. That construction is a big reason owners like it as a durable, repeatable backup.
| UPC | 791154082805 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | GAM2R |
| Color | Black |
| Model | |
| Product Type | Sight |
| Style | Adjustable |
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