Aero Precision APAR640211Q3: This Complete Upper includes Aero Precision’s Gen 2 Enhanced Handguard! Key features include the addition of quick disconnect sling sockets, enhanced milling design for grip and visual appeal and a new profile for the picatinny top rail.
Includes:
- M4E1 Enhanced Assembled Upper Receiver
- 7″ Quad Rail Enhanced Handguard
- 10.5″ 5.56 Carbine Length CMV Barrel
- Pinned FSB and Carbine Length Gas Tube
- Product comes assembled
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
M4E1 Upper Features:
- Forged from 7075 T6 aluminum
- Precision machined to M4E1 specs
- M4 feedramps
- Matte black hard coat anodized Mil 8625 Type 3 Class 2
- Laser engraved T-marks
- Comes assembled, with port door and forward assist installed
- Accepts standard AR15/M16 components
- Handguard mounting platform is forged into the receiver
- Works with Aero Precision handguards but also fits most BAR-system handguards
- Barrel nut and wrench are included
Gen 2 Enhanced Handguard Features:
- 1pc free float design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors
- Compatible with low profile gas blocks
- Gen 2 Feature – Quick disconnect sling socket at the 3, 6 and 9 o’clock positions
- Gen 2 Feature – Additional milling along flats to aid with gripping and add visual appeal
- Gen 2 Feature – New profile for the continuous picatinny top rail
10.5″ Barrel w/ Pinned FSB Features:
- 5.56 Nato, 10.5″ carbine gas, 1/7 twist, 4150 CrMoV, with F marked FSB taper pin
- .750 gas block journal
- Carbine gas system
- M4 Feed Ramp Extension
- HP and MPI tested
- Weight: 34 oz
- Front sight block comes stripped, no sight post or sling swivel
- Standard A2 flash hider