The FosTech Mach-1 Lite (brand part no. FOS6600BLK) is a 16-inch rail system for the AR-15 platform, built with a lightweight magnesium-aluminum alloy to keep weight down on the front end of the rifle.

Key Specifications

• 16-inch length
• M-LOK mounting slots
• Magnesium-aluminum alloy construction, lighter than comparable aircraft-grade aluminum rails
• Built for the AR-15 platform
• Black finish
• Ships with barrel nut and installation hardware

Frequently Asked Questions

What platform is this rail built for? The AR-15 platform.

What’s the construction like? FosTech describes it as a magnesium-aluminum alloy construction, aimed at keeping overall weight down versus standard aluminum rails.

Buy the FosTech Mach-1 Lite 16in AR-15 Rail, Black

Order this rail from our FosTech Outdoors lineup, browsable in our full rifle stocks selection, with fast, insured shipping from our Lubbock, Texas gun shop.