Aero Precision AR-15 Wechselsystem .300AAC 8"

This AR15 Complete lightweight Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build.

Includes:

• AR15 Assembled Upper Receiver with No Forward Assist
• Included Phosphate BCG
• Included Charging Handle Standard
• Included A2 flash hider
• 7" M-LOK ATLAS S-ONE Handguard
• 8" .300 Blackout CMV Barrel
• Low Profile Gas Block and Pistol Length Gas Tube

AR15 Upper Receiver with No Forward Assist Features:

• M4 Feedramps
• .250 takedown pin holes
• Laser engraved T-marks
• No forward assist provisions
• Port door installed
• Compatible with all AR-15 MIL-SPEC Lower Receivers  

ATLAS S-ONE Handguard Features:

• Front and rear picatinny rail
• Eliminated center of top rail for weight reduction
• Indexing grooves in 12:00 position for positive grip control
• Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
• Compatible with low profile gas blocks
• 1.3" Inside diameter
• 1.5" Outside diameter
• Learn More about our NEW ATLAS Hanguards

8" .300 Blackout Barrel Features:

• Length: 8"

• Twist: 1 in 7
• Muzzle: 5/8x24 Threaded
• Material: 4150 Crome Moly Vanadium
• Finish: QPQ corrosion resistant finish both inside and out
• Gas Block: .750
• Gas Port: .109
• Gas System Length: Pistol
• Weight: 18oz
• M4 Barrel Extension
• HP and MPI Tested
• C.I.P.