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 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 -
FORTIS NIGHT RAIL 556 10 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $255.25$205.00Fortis 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: $255.25$205.00 -
FORTIS SWITCH RAIL 15.3 MLOK MOD 1
Fortis Manufacturing Inc.
MSRP: $302.75$243.00The Fortis SWITCH series is an extremely lightweight, yet robust free float rail system designed for the AR platform. When designing the SWITCH, we wanted a handguard that was easy to install, but also be able to quickly change rails for a variety of...MSRP: $302.75$243.00 -
FORTIS REV II FF RAIL 15.3 MLOK BLK
Fortis Manufacturing Inc.
MSRP: $245.98$176.00Fortis 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: $245.98$176.00 -
FORTIS CAMBER RAIL 15.3 MLOK BLACK
Fortis Manufacturing Inc.
MSRP: $308.69$247.00The Fortis CamberAR15 Rail System featuring the new Camber Lock mounting system is the next evolution of the extremely popular handguards. Built for the end user that requires an even more rock solid platform. The Camber Lock is one of the industries'...MSRP: $308.69$247.00 -
FORTIS CAMBER RAIL 11.8 MLOK BLACK
Fortis Manufacturing Inc.
MSRP: $273.06$219.00The Fortis CamberAR15 Rail System featuring the new Camber Lock mounting system is the next evolution of the extremely popular handguards. Built for the end user that requires an even more rock solid platform. The Camber Lock is one of the industries'...MSRP: $273.06$219.00 -
FORTIS CAMBER RAIL 9.6 MLOK BLACK
Fortis Manufacturing Inc.
MSRP: $261.19$209.00The Fortis CamberAR15 Rail System featuring the new Camber Lock mounting system is the next evolution of the extremely popular handguards. Built for the end user that requires an even more rock solid platform. The Camber Lock is one of the industries'...MSRP: $261.19$209.00 -
DD RIS II MK18 RAIL 9.5 FDE
Daniel Defense
MSRP: $576.15$501.00The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded,...MSRP: $576.15$501.00 -
DD M4A1 RAIL SYSTEM BLK
Daniel Defense
MSRP: $576.15$480.00The Daniel Defense Rail Interface System (RIS II) was designed at the request of the United States Special Operations Command (SOCOM) for the SOPMOD II program. SOCOM had a specific requirement for a free float M203 solution and Daniel Defense responded,...MSRP: $576.15$480.00 -
DD RIS III RAIL ASSEMBLIES 13 BLK
Daniel Defense
MSRP: $576.15$501.00The Daniel Defense RIS III Rail Interface System takes the proven design of Daniel Defense's two-piece RIS II rails-used by U.S. Special Operations Command (SOCOM) since 2006-and reduces weight while adding versatility by utilizing M-LOK attachment. You...MSRP: $576.15$501.00 -
DD RIS III RAIL ASSEMBLIES 13 FDE
Daniel Defense
MSRP: $576.15$501.00The Daniel Defense RIS III Rail Interface System takes the proven design of Daniel Defense's two-piece RIS II rails-used by U.S. Special Operations Command (SOCOM) since 2006-and reduces weight while adding versatility by utilizing M-LOK attachment. You...MSRP: $576.15$501.00