Enlarged ejection port to freely pass 458 SOCOM all the way up to 50 Beowulf.
This particular item is an AR-15 upper receiver that provides the perfect start to your next upper build. This upper is made from high quality 7075-T651 Billet aluminum and features an ultra durable hard coat anodized black finish.
Specifications and Features:
San Tan Tactical AR-15 Big Bore Pillar Upper Receiver STT-BB-PILLAR-1
AR-15 Upper Receiver
Features Fully Assembled Forward Assist/Port Door Cover Assembly
Shell Deflector
Machined T Markings
Machined with M4 Feed Ramps
Machined to Mil-Spec Standards
Interfaces with AR-15/M16/M4 Weapons Systems and Accessories
Overall Weight 8oz
Made from 7075-T651 Billet Aerospace Grade Aluminum
MIL-A-8625 Type III Hard Anodized Finish Black Finish
This particular item is an AR-15 upper receiver that provides the perfect start to your next upper build. This upper is made from high quality 7075-T651 Billet aluminum and features an ultra durable hard coat anodized black finish.
Specifications and Features:
San Tan Tactical AR-15 Big Bore Pillar Upper Receiver STT-BB-PILLAR-1
AR-15 Upper Receiver
Features Fully Assembled Forward Assist/Port Door Cover Assembly
Shell Deflector
Machined T Markings
Machined with M4 Feed Ramps
Machined to Mil-Spec Standards
Interfaces with AR-15/M16/M4 Weapons Systems and Accessories
Overall Weight 8oz
Made from 7075-T651 Billet Aerospace Grade Aluminum
MIL-A-8625 Type III Hard Anodized Finish Black Finish