This complete upper receiver incudes an HBAR profile barrel that is laser marked "HBAR".
Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry.
SPECIFICATIONS
- M4E1 Enhanced Assembled Upper Receiver
- 15" Enhanced M-LOK Handguard
- 16" 5.56 HBAR barrel
- Low Profile Gas Block and Mid-Length Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab.
- 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
- 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
- 5.56 Nato 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
- .750 gas block journal
- Mid-Length Gas System
- M4 Feed Ramp Extension
- HP and MPI tested
- Standard A2 flash hider