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The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1″. Included is a barrel nut and wrench, port door, and forward assist. NOTE: This upper is not piston-kit compatible. Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
$205.21
Out of stock
The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with, M4 feedramps, .250 takedown pin holes, and supports barrels with a diameter up to 1″. Included is a barrel nut and wrench, port door, and forward assist. NOTE: This upper is not piston-kit compatible. Requires charging handle, barrel, handguard, gas block, muzzle device, gas tube and BCG (Bolt Carrier Group) to complete.
| SKU | 100541 |
| Type | Accessory |
| Brand | Aero Precision |
| Category | FIREARMS / UPPERS |
| UPC | 815421022339 |
| Model number | M4E1 |
| Purpose | |
| Series | Enhanced Receiver |
| Weight | 1.02 |
| Length | 10.50 |
| Height | 2.90 |
| Width | 3.60 |
| Attributes | |
| Type | Semi-Complete |
| Caliber | 5.56x45mm NATO |
| Sights | None, Optic Ready |
| Receiver Description | 7075-T6 Aluminum |
| Handguards | Free-Floating |
| Handguard Finish | Black Hard Coat Anodized |
| Weight | 1.02 lbs |
|---|---|
| Dimensions | 10.5 × 3.6 × 2.9 in |
| Type | |
| Caliber | |
| Sights | |
| Receiver Description | |
| Handguards | |
| Handguard Finish |
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