
Availability: In Stock
The Fostech AR-15 Lite M-LOK rail handguard in 16" gives you a modern, modular platform for mounting optics, lights, and grips without the bulk. Built on the M-LOK attachment standard, this handguard lets you configure your rifle exactly how you shoot—whether that's a minimalist setup for hunting or a fully kitted tactical rig for the range. At 16 inches, it covers most of the barrel while staying manageable in tight spaces, and the black finish blends seamlessly with most AR uppers.
If you're building or upgrading an AR, the choice between rail systems matters. A Lite handguard keeps weight down while preserving all the modularity you need. The Fostech design prioritizes that balance—solid enough for duty use, light enough that you won't regret it after a long hunt or day at the range. M-LOK has become the standard for a reason: it's intuitive, reliable, and widely supported by aftermarket accessories.
Installation is straightforward if you're comfortable with basic AR assembly. Fit and finish vary by builder preference, so verify compatibility with your upper receiver and barrel profile before ordering. Once mounted, you've got a clean canvas for your setup—whether you're running a single red dot or going full tactical.
M-LOK uses a slot-based system that's lighter, faster to adjust, and requires no tools for most accessories. Picatinny is a continuous rail that's heavier but works with a broader range of legacy accessories. M-LOK has become the modern standard on most new AR builds.
The Fostech 16" handguard fits standard AR-15 uppers with a free-floating or standard barrel profile. Verify your upper's compatibility before purchase, as some forged uppers have specific dimensional tolerances. If you're unsure, reach out to our team.
A handguard by itself doesn't determine barrel float—that depends on your upper receiver design and how the handguard is installed. If barrel float is important for your accuracy setup (especially for precision shooting), confirm your upper supports it and follow proper installation steps.
Any M-LOK-compatible accessory will mount to this handguard: tactical lights, vertical grips, rail sections, sling mounts, and more. The M-LOK ecosystem is huge and constantly growing, so you have plenty of options to customize your setup.

SKU: 167524080 • Width: 3.7in • Height: 3.7in • Depth: 18.25in • Weight: 1oz





Availability: In Stock
The Fostech AR-15 Lite M-LOK rail handguard in 16" gives you a modern, modular platform for mounting optics, lights, and grips without the bulk. Built on the M-LOK attachment standard, this handguard lets you configure your rifle exactly how you shoot—whether that's a minimalist setup for hunting or a fully kitted tactical rig for the range. At 16 inches, it covers most of the barrel while staying manageable in tight spaces, and the black finish blends seamlessly with most AR uppers.
If you're building or upgrading an AR, the choice between rail systems matters. A Lite handguard keeps weight down while preserving all the modularity you need. The Fostech design prioritizes that balance—solid enough for duty use, light enough that you won't regret it after a long hunt or day at the range. M-LOK has become the standard for a reason: it's intuitive, reliable, and widely supported by aftermarket accessories.
Installation is straightforward if you're comfortable with basic AR assembly. Fit and finish vary by builder preference, so verify compatibility with your upper receiver and barrel profile before ordering. Once mounted, you've got a clean canvas for your setup—whether you're running a single red dot or going full tactical.
M-LOK uses a slot-based system that's lighter, faster to adjust, and requires no tools for most accessories. Picatinny is a continuous rail that's heavier but works with a broader range of legacy accessories. M-LOK has become the modern standard on most new AR builds.
The Fostech 16" handguard fits standard AR-15 uppers with a free-floating or standard barrel profile. Verify your upper's compatibility before purchase, as some forged uppers have specific dimensional tolerances. If you're unsure, reach out to our team.
A handguard by itself doesn't determine barrel float—that depends on your upper receiver design and how the handguard is installed. If barrel float is important for your accuracy setup (especially for precision shooting), confirm your upper supports it and follow proper installation steps.
Any M-LOK-compatible accessory will mount to this handguard: tactical lights, vertical grips, rail sections, sling mounts, and more. The M-LOK ecosystem is huge and constantly growing, so you have plenty of options to customize your setup.
SKU: 167524080 • Width: 3.7in • Height: 3.7in • Depth: 18.25in • Weight: 1oz
