Upper Parts

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" Includes Barrel Nut (Barrel Nut Wrench Sold Separately)

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" Includes Barrel Nut (Barrel Nut Wrench Sold Separately) Geissele...

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

Geissele Super Semi-Automatic Trigger Features Type: 2 Stage 1st Stage Weight: 2.5lbs 2nd Stage Weight: 2.0lbs Total Pull Weight: 4.5lbs Adjustable: No Size: Mil-Spec Trigger Bow Type: M4 Curved Weapon...

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 Laser Engraved

HEXMAG AR15 ADVANCED TACTICAL GRIP - BLACK Fits AR-15 and AR-10 platforms 17 for pistols/SBRs" 25 degree for standard angle or 33 degree for long range Made from fiber-reinforced polymer HexMag's AR-15 Advanced Tactical Pistol Grip features a...

HEXMAG AR15 ADVANCED TACTICAL GRIP - FDE Fits AR-15 and AR-10 platforms 17 for pistols/SBRs" 25 degree for standard angle or 33 degree for long range Made from fiber-reinforced polymer HexMag's AR-15 Advanced Tactical Pistol Grip features a...

Hexmag M-LOK WedgeLOK Slot Rail Cover 4 Pack - FDE FDE Finish Allows for Better Control and Accuracy of your Weapon MLOK Compatible Heat Resistant Material Acts as a Protection for you Handguard

Hexmag WedgeLOK Slot Rail Cover KEYMOD 4 Pack - Black Black Finish Allows for Better Control and Accuracy of your Weapon KeyMod Compatible Heat Resistant Material Acts as a Protection for your Handguard

Hexmag WedgeLOK Slot Rail Cover M-LOK 4 Pack - Black Black Finish Allows for Better Control and Accuracy of your Weapon M-LOK Compatible Heat Resistant Material Acts as a Protection for your Handguard

Hogue Monogrip Kit for AR-15 - Black Material: OverMolded® rubber with finger grooves  Texture: Cobblestone™  Color: Black  Weight: 2.4 oz Precision fit for AR-15/ M16 Rifles Gentle palm swells fit comfortably in...

Hoodrat Stuff - 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 Laser Engraved

KNS Non Rotating Trigger/Hammer Pins .154 G2 Non Rotating Hammer and Trigger Pins .154 Diameter Black Finish Compatible with Milspec AR15 Receivers

KNS NON-ROTATING TRIGGER PINS/ANTI ROTATION HAMMER PIN .154 - G2 MOD2 Item Info Item 32381-2 UPC 851876003097 Brand KNS Precision, Inc Model .154 Diameter Mfg No NRTHPMOD2-154-Black   Tech Specs Type Part Finish Color...

KRISS USA Vertical Grip with Handstop - Black Polymer Construction Improved Ergonomics Fits all Standard 1913 Picatinny Rails

LASER ENGRAVED STRIPPED UPPER RECEIVER - BLACK Forged 7075 T6 Aluminum Anodized Black Finish M4 Feed Ramps Shell Deflector Forward Assist & Dust Cover Ready