AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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FORTIS SWITCH RAIL 308 17 MLOK
Fortis Manufacturing Inc.
MSRP: $356.19$285.00The Fortis SWITCH series is an extremely lightweight, yet robust free float rail system designed for the AR platform. When designing the SWITCH, Fortis wanted a handguard that was easy to install, but also be able to quickly change rails for a variety...MSRP: $356.19$285.00 -
FORTIS SWITCH RAIL 308 15.75 MLOK
Fortis Manufacturing Inc.
MSRP: $338.38$271.00The Fortis SWITCH series is an extremely lightweight, yet robust free float rail system designed for the AR platform. When designing the SWITCH, Fortis wanted a handguard that was easy to install, but also be able to quickly change rails for a variety...MSRP: $338.38$271.00 -
FORTIS SWITCH RAIL MOD2 15.3 MLOK
Fortis Manufacturing Inc.
MSRP: $302.75$243.00The new Switch MOD 2 Series takes the very best from the Switch Series and custom tailors it to fit the needs of our shooters. We eliminated the 12 o'clock picatinny section and replaced it with open vents. This gives a more streamlined appearance to the...MSRP: $302.75$243.00 -
FORTIS SWITCH RAIL MOD2 13.8 MLOK
Fortis Manufacturing Inc.
MSRP: $284.94$228.00The new Switch MOD 2 Series takes the very best from the Switch Series and fine tunes it. The full length 12 o'clock picatinny rail has been eliminated in favor of open vents for heat dissipation and shorter lengths of rail at the front and rear for...MSRP: $284.94$228.00 -
FORTIS SWITCH RAIL MOD 2 9.6 MLOK
Fortis Manufacturing Inc.
MSRP: $255.25$205.00The new Switch MOD 2 Series takes the very best from the Switch Series and custom tailors it to fit the needs of shooters. Fortis eliminated the 12 o'clock picatinny section and replaced it with open vents. This gives a more streamlined appearance to the...MSRP: $255.25$205.00 -
FORTIS SWITCH RAIL 13.0 MLOK MOD 1
Fortis Manufacturing Inc.
MSRP: $279.00$224.00The new Switch MOD 1 Series takes the very best from the Switch Series and custom tailors it to fit the needs of shooters. M-LOK sections up front that gives you flexibility and freedom to run your light solutions. No more need for purchasing additional...MSRP: $279.00$224.00 -
FORTIS REV II FF RAIL 9.6 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $179.48$129.00Fortis REV II is an extremely lightweight yet robust free floating rail system. When designing the REV, Fortis didn't want just another rail system, they wanted a better, lighter, feature rich handguard that was robust and within budget. They've managed...MSRP: $179.48$129.00 -
FORTIS REV II FF RAIL 6.7 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $166.18$119.00Fortis Manufacturing's REV II AR-15 M-LOK Handguard is an extremely lightweight yet robust free floating rail system. When designing the REV, Fortis didn't want just another rail system, they wanted a better, lighter, feature-rich handguard that was...MSRP: $166.18$119.00 -
FORTIS NIGHT RAIL 556 16 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $332.44$266.00Fortis Manufacturing's AR-15 Night Rail Free Float Handguard was designed to be easy to install and mounts to the upper receiver with 360 degrees of contact. The end result is a rail that not only looks amazing, but one that is exceptionally lightweight...MSRP: $332.44$266.00 -
FORTIS NIGHT RAIL 556 14.4 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $302.75$243.00Fortis Manufacturing's AR-15 Night Rail Free Float Handguard was designed to be easy to install and mounts to the upper receiver with 360 degrees of contact. The end result is a rail that not only looks amazing, but one that is exceptionally lightweight...MSRP: $302.75$243.00 -
FORTIS NIGHT RAIL 556 12 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $279.00$224.00Fortis Manufacturing's AR-15 Night Rail Free Float Handguard was designed to be easy to install and mounts to the upper receiver with 360 degrees of contact. The end result is a rail that not only looks amazing, but one that is exceptionally lightweight...MSRP: $279.00$224.00 -
FORTIS NIGHT RAIL 12.9 KEYMOD
Fortis Manufacturing Inc.
MSRP: $279.00$224.00When designing the Night Rail, Fortis wanted to design a handguard that was easy to install, but also to be able to mount with a full 360 degrees of contact. Their new patent pending, two piece barrel nut is one of a kind. Fortis developed it from the...MSRP: $279.00$224.00