Upper Parts

Andro Corp Dual Port Muzzle Brake - 5/8x24 SS 17-4PH SURFACE HARDENED 65-70RC BLACK NITRIDE 5/8X24 THREADS

Andro Corp Gold AR-15 Bolt Carrier Group High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Carrier machined from 8620 alloy, full auto profile, heat treated, Grade 1 Polished Gold TiN Finish Gas Key machined from 4130 chromoly steel...

Andro Corp Gold AR-15 Bolt Carrier Group - G3 High Polish HP proof testing, 100%using a high pressure M197 or SAAMI commercial equivalent; without evidence of failure MPI testing after above, 100%inspection per ASTM E1444 using a standard 5...

Andro Corp Gold Dual Port Muzzle Brake - 1/2x28 SS 17-4PH SURFACE HARDENED 65-70RC INDUCTION HEAT TREAT ( GOLD) 1/2X28 THREADS

Andro Corp Gold Dual Port Muzzle Brake - 5/8x24 SS 17-4PH SURFACE HARDENED 65-70RC INDUCTION HEAT TREAT ( GOLD) 5/8x24 THREADS

Andro Corp Gold Single Port Muzzle Brake - 1/2x28 SS 17-4PH SURFACE HARDENED 65-70RC BLACK NITRIDE 1/2X28 THREADS .406

Andro Corp Gold Triple Port Muzzle Brake - 1/2x28 SS 17-4PH SURFACE HARDENED 65-70RC INDUCTION HEAT TREAT ( GOLD) 1/2X28 THREADS

Andro Corp Gold Triple Port Muzzle Brake - 5/8x24 SS 17-4PH SURFACE HARDENED 65-70RC INDUCTION HEAT TREAT ( GOLD) 5/8x24 THREADS

Andro Corp Nitride AR15 Bolt Carrier Group High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Carrier machined from 8620 alloy, full auto profile, heat treated, Nitrided Gas Key machined from 4130 chromoly steel alloy, heat treated and...

Andro Corp Phosphate AR15 Bolt Carrier Group High Pressure Tested (HPT) Magnetic Particle Inspected (MPI) Carrier machined from 8620 alloy, full auto profile, heat treated, Nitrided Gas Key machined from 4130 chromoly steel alloy, heat treated and...

Andro Corp Single Port Muzzle Brake - 1/2x28 SS 17-4PH SURFACE HARDENED 65-70RC BLACK NITRIDE 1/2X28 THREADS .406

Andro Corp Triple Port Muzzle Brake - 1/2x28 SS 17-4PH SURFACE HARDENED 65-70RC BLACK NITRIDE 1/2X28 THREADS

Andro Corp Triple Port Muzzle Brake - 5/8x24 SS 17-4PH SURFACE HARDENED 65-70RC BLACK NITRIDE 5/8X24 THREADS

AO PRECISION UPPER RECEIVER - BLACK Forged 7075 T6 Aluminum Milspec Black Anodized Finish M4 Feed Ramps Shell Deflector Forward Assist & Dust Cover Ready Government Contract Over run

AR Ambidextrous Safety Selector Ambidextrous Safety Selector Fits AR 5.56/.223 CNC Machined out of Aircraft Grade Aluminum  Mil-Spec  Finish: Black Anodized Weight: .5 oz  Choose between 45 degree short throw and 90 degree...

AR Competition Drop-In Trigger System - 3.5LB Single Stage Drop-In Trigger System Pull weight of 3.5 lb Trigger Group constructed of Heat Treated Tool Steel 6061 Billet Aluminum Housing Semi-Flat Trigger Bow Fits: AR-15/AR-10 Black...

AR Platform Anti-Walk Pins - Stainless Steel CNC Machined for Precision Material: Stainless Steel Rod & Screws Standard .156 Diameter Pin Package includes: 2 Allen Keys, 2 pins and 4 Screws Weight 0.1 oz

AR-10 EJECTION PORT COVER ASSEMBLY Ejection Port Cover Door (Dust cover) Steel Spring Steel Rod Fits: AR-10 .308

AR-15 1/2x28" .223/5.56 Muzzle Brake 6061-T6 aluminum Smooth matte black finish 6- 45 degree port holes  Length: 6" 1/2"x28 thread pitch Fits: AR-15 Milled Wrench Flats  Milled Pin and weld pilot hole bottom and top 0.121 Outside...

AR15 Bolt Assembly 9310 MPI - 5.56/.300 Caliber:  .223/5.56/300AAC Bolt Material:  9310 Steel MPI (Magnetic Particle Inspected) Bolt Finish:  Nitride Black Oxide Extractor Part is a Completely Assembled Bolt (see...