Description
SKU: XP-URG-556-16-OR-A
The Expo Arms 5.56 NATO AR‑15 barreled upper receiver group features a 16" barrel with a 1:8 twist, 1/2x28 threaded muzzle, flash hider, and a mid‑length direct‑impingement gas system. This model does not include a bolt carrier group or charging handle, giving users the flexibility to choose their preferred components. The 15" free‑float M‑LOK handguard offers generous space for accessory mounting and maintains a clean, lightweight profile.
Features:
- AR-15 barreled upper receiver
- Barrel length: 16", 1:8 twist
- Gas system: direct impingement
- Gas system length: mid-length (0.078" gas port diameter)
- 1/2x28 threaded muzzle
- 15” Expo Arms M-LOK handguard
- Flash hider
- BCG not included
- Charging handle not included
Specifications
Barrel Contour: Medium
Barrel Length: 16
Brand: Expo Arms
Caliber Gauge: 5.56 NATO
Color: Black
Finish: Hardcoat Anodized
Gas System Length: Mid-Length
Gas System Type: Direct Impingement
Handguard: 15 in Freefloat Rail
Muzzle Device: Flash Hider
Platform: AR-15
Thread Pattern: 1/2 X 28
Twist Rate: 1:8
MPN#: XP-URG-556-16-OR-A
