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Troy Industries earned its reputation making sights that soldiers and serious builders trust, and the Fixed Rear BattleSight is the no-nonsense end of that lineup. It's a permanent, rail-mounted rear that replaces a clunky A2 sight or carry handle, clamping onto any flat-top AR receiver and holding a rock-steady zero. There are no springs to fold, no button to press, nothing to wiggle loose under recoil. You bolt it down, zero it, and forget it.
The body is machined from hardened aircraft-grade aluminum with stainless steel components, finished in a MIL-SPEC hardcoat anodizing that shrugs off scuffs and weather. A serrated ramp across the top cuts glare so your sight picture stays clean in bright sun. Windage lives on a knurled adjustment wheel that clicks in roughly half-MOA increments, and folks who've run it point out the knob sits nice and flush against the housing, so it's far less likely to get bumped off zero in a bag or on a sling.
Installation is about as simple as it gets. Back out the tensioning bolt, slide the sight onto the rail from the rear, seat it in a Picatinny slot, and torque the bolt down. From there it zeros quickly, and the dual aperture lets you switch between the large and small peep without any shift in point of impact, so you get a fast close-range picture or a tighter one for distance without re-zeroing.
This one fits M4, M16, AR-15, and AR-10 variants and anything else with a flat-top receiver or removable carry handle. The one thing worth knowing up front: it's designed for same-plane rail systems only, so your front sight needs to sit on the same height plane, meaning a railed gas block that's higher or lower than the receiver won't zero right. Pair it with a matching Troy front and you've got a hard-use iron setup that owners consistently call a favorite for its stability and clean sight picture.
It's built for same-plane rail systems, which means your front sight needs to sit on the same height plane as the rear. A railed gas block that's higher or lower than the receiver won't let it zero correctly. For the cleanest setup, pair it with a matching Troy front BattleSight so both sights share the same plane.
This is a permanent, fixed sight rather than a quick-detach unit, so it's meant to stay mounted once you dial it in. Owners consistently praise how solidly it holds zero under recoil and hard use. Since there are no folding parts or moving joints, there's very little to shift once it's torqued down.
It fits M4, M16, AR-15, and AR-10 variants, along with any other firearm that has a flat-top receiver or a removable carry handle. It clamps directly to a standard Mil-Spec Picatinny rail. Users have even run it on platforms like the Tavor 7, so it plays well with most modern rail-equipped rifles.
Windage is handled by a knurled adjustment wheel that clicks in roughly half-MOA increments. The knob sits flush against the sight body, which helps keep it from getting bumped out of adjustment in a bag or on a sling. Zeroing goes quickly and the adjustment stays put once you've got it where you want it.
| UPC | 812699011010 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SSIG-FRS-R0BT-00 |
| Color | Black |
| Model | |
| Product Type | Fixed Rear |
| Shipping Weight | 0.2 |
| Style | Fixed |
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