Production Time: Estimated 6 months
Complete Aero Precision M4E1 Upper Build Specifications:
Barrel Options: 26.5", 22", or 18" Douglas Premium Handfitted Stainless Steel Barrel
Twist Rate: 1:7.5
Grooves: 4
Profile: Heavy bull
Muzzle Brake: Aero VG6 Muzzle Brake, 5/8x24
Handguard: Aero M4R1 15" Handguard
Gas System: Rifle length
Gas Block: .936 Adjustable
Bolt Carrier Group: Aero Precision Complete BCG Type II Grendel BCG
Charging Handle: Aero Charging Handle
Custom Features:
Barrel: Custom handfitted barrel, chambered and bolt headspaced to ensure optimal performance.
Chamber: Custom chambers with tighter tolerances and shorter freebore for enhanced accuracy.