GrovTec US M1913 Picatinny Rail, 6" 15 Slot M-Lok AR-Platform, Black Anodized AluminumGrovtec$49.43
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Grovtec
The GrovTec US M1913 Picatinny Rail is a 45° offset rail designed to give AR platform shooters a proven way to mount secondary sights or optics to the side of their upper receiver using M-Lok attachment points. Built from aluminum and finished in Type-III black anodize, this low-profile rail keeps your sight picture clean while adding versatility to your setup without unnecessary bulk.
A 45-degree offset configuration lets you run a backup iron sight or a wide-angle optic alongside your primary setup—useful on the square range, in tactical courses, or for hunters who want flexibility without constantly swapping gear. The M-Lok interface is the modern standard for AR furniture, locking in securely and releasing quickly when you need to adjust or change components. The low-profile design means it won't interfere with your primary sight or catch on gear when you're moving or storing your rifle.
GrovTec US has been manufacturing quality AR accessories for years, and this rail reflects that straightforward, no-nonsense approach. If you're building out an AR platform rifle and need solid, dependable mounting hardware that doesn't cost like a premium brand name, this rail earns its place on your parts list.
| Mount Type | M1913 Picatinny (M-Lok interface) |
| Offset Angle | 45° |
| Platform | AR-Platform |
| Material | Aluminum |
| Finish | Type-III Black Anodize |
| Profile | Low Profile |
| Brand | GrovTec US |
Yes. This rail is designed for AR-platform firearms and attaches via M-Lok slots on the upper receiver or handguard.
Any optic or sight with a standard Picatinny (M1913) footprint will attach to this rail. Common choices include backup iron sights, red dots, magnified optics, or lasers.
A 45-degree angle lets you keep your primary optic mounted on top of the receiver while adding a secondary sight or optic to the side. This is useful if you want redundancy, a different magnification range, or rapid transition between magnified and non-magnified aiming.
Installation depends on your upper receiver or handguard. If your AR already has M-Lok slots, attachment is straightforward. Check your rail system compatibility before purchasing.
Grovtec
The GrovTec US M1913 Picatinny Rail is a 45° offset rail designed to give AR platform shooters a proven way to mount secondary sights or optics to the side of their upper receiver using M-Lok attachment points. Built from aluminum and finished in Type-III black anodize, this low-profile rail keeps your sight picture clean while adding versatility to your setup without unnecessary bulk.
A 45-degree offset configuration lets you run a backup iron sight or a wide-angle optic alongside your primary setup—useful on the square range, in tactical courses, or for hunters who want flexibility without constantly swapping gear. The M-Lok interface is the modern standard for AR furniture, locking in securely and releasing quickly when you need to adjust or change components. The low-profile design means it won't interfere with your primary sight or catch on gear when you're moving or storing your rifle.
GrovTec US has been manufacturing quality AR accessories for years, and this rail reflects that straightforward, no-nonsense approach. If you're building out an AR platform rifle and need solid, dependable mounting hardware that doesn't cost like a premium brand name, this rail earns its place on your parts list.
| Mount Type | M1913 Picatinny (M-Lok interface) |
| Offset Angle | 45° |
| Platform | AR-Platform |
| Material | Aluminum |
| Finish | Type-III Black Anodize |
| Profile | Low Profile |
| Brand | GrovTec US |
Yes. This rail is designed for AR-platform firearms and attaches via M-Lok slots on the upper receiver or handguard.
Any optic or sight with a standard Picatinny (M1913) footprint will attach to this rail. Common choices include backup iron sights, red dots, magnified optics, or lasers.
A 45-degree angle lets you keep your primary optic mounted on top of the receiver while adding a secondary sight or optic to the side. This is useful if you want redundancy, a different magnification range, or rapid transition between magnified and non-magnified aiming.
Installation depends on your upper receiver or handguard. If your AR already has M-Lok slots, attachment is straightforward. Check your rail system compatibility before purchasing.