Upper Parts

Fortis Magazine Release Button AR15/AR10 - Black Description: The Fortis Billet Mag Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and...

Fortis Magazine Release Button AR15/AR10 - BLUE Description: The Fortis Billet Mag Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and...

Fortis Magazine Release Button AR15/AR10 - FDE Description: The Fortis Billet Mag Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and...

Fortis Magazine Release Button AR15/AR10 - RED Description: The Fortis Billet Mag Button is a superior alternative to the ones found in a mil-spec lower parts kit. Easily installs in seconds and...

Fortis Manufacturing Clutch Charging Handle - FDE Machined from 7075 T6 Billet aluminum The aggressive serrations on the latch support use with either shooting gloves or without Redesigned cam...

Fortis Manufacturing Clutch Charging Handle - Red Machined from 7075 T6 Billet aluminum The aggressive serrations on the latch support use with either shooting gloves or without Redesigned cam...

Fortis Muzzle Brake Control Shield 4140 Steel Made in the USA Only fits Fortis muzzle brake and Rainier Arms XTC 2.0

FORTIS SLS FIFTY SAFETY SELECTOR - GOLD Precise Manufacturing Long Term Reliability Durable Construction High quality components and precise manufacturing make Fortis parts ideal for...

FORTIS STAINLESS STEEL 5.56 MUZZLE BRAKE - 1/2x28 303 Stainless Steel construction Bead blasted 1/2X28 Comes with crush washer Made in the USA The new F

GEISSELE 2 STAGE (G2S) TRIGGER Upgrade your firearm’s accuracy and control with the

Geissele Automatics AR-15 15" Super Modular Rail MK4 M-LOK Height: 2.4"  Inner Diameter: 1.35"  Outer Diameter: 2.11"  Weight w/ Hardware: 15.1oz.  Length 15"

Geissele Automatics MK8 Super Modular Rail 9.3" M-LOK Height: 2.3"  Inner Diameter: 1.35"  Outer Diameter: 2.11"  Weight w/ Hardware: 10.3oz.  Length 9.3"

Geissele Automatics Maritime Bolt Catch Increased Surface Area Aggressive Checkering Extended Controls

GEISSELE SUPER SEMI-AUTOMATIC TRIGGER (SSA) Upgrade your firearm’s accuracy, lock time, and break contr

Grid Defense Hand Guard Replacement Screws – T25 Torx 10-32 x 1/2 Keep your Grid Defense free-float handguard securely mounted with these genuine replacement screws. Designed specifically for Grid...

Griffin Armament Mini Flash Hider 17-4PH stainless steel QPQ finish 40% lighter than most competitive suppressor mounts Anti-resonance flutes

GrovTec .223/5.56 Crush Washer Designed To Be Installed To Secure Muzzle Devices 1/2 X 28 Thread Pitch For .223 Caliber High Quality Steel Construction Premium Black Nitride Finish

GrovTec .308 Crush Washer Designed To Be Installed To Secure Muzzle Devices 5/8-24 Thread Pitch For .308 Caliber High Quality Steel Construction Premium Black Nitride Finish

Grovtec G-Stop Reversible Hand Stop/Barricade Stop - Black CNC Machined Includes Hardware Anodized Finish Solid Aluminum

Don't Tread On Me - Ejection Port - Dust Cover Standard Steel Ejection Port Dust Cover for use on AR Rifles.  Includes full install kit (cover, rod, spring, and clips).  Made in the USA Custom...