Aero Precision M4E1 Threaded Barreled Upper Receiver .300 BLK Pistol Length - ATLAS S-ONE - 8" Aero percision 300blk 5 MOA per click Windage/Elevation

5 MOA per click Windage/Elevation Travel ±50 MOA Storage Temp Range -40°F to 158°F Operating Temp Range -22°F to 140°F Waterproof Rating IP67 (1m for 30 min) Shock Resistance Up to 1000G Mount Type QD - Lower 1/3 Co-witness PHYSICAL DATA Window Size 0

The revolutionary patent-pending ACSS Vulcan reticle provides a large circle guiding the eyes towards the 10 MOA center chevron

After sitting motionless for a brief period of time

SWAT Optics got it to me with 2-day shipping—killer optic

A2 flash hider

Aero Precision M4E1 Threaded Barreled Upper Receiver .300 BLK Pistol Length - ATLAS S-ONE - 8" Aero percision 300blk 5 MOA per click Windage/ElevationAero Precision M4E1 Threaded Barreled Upper Receiver . 300 BLK Pistol Length ATLAS S ONE 8" SKU: APAR700301M1 MPN: APAR700301M1 DETAILS Note: This barreled upper receiver assembly has a barrel length under 16 and is subject to all NFA rules and regulations. Know your local laws before purchasing. The Aero Precision Upper does not include a BCG or charging handle This Aero Precision M4E1 Threaded upper receiver group comes completely assembled with an