Expo Arms 5.56 NATO AR-15 Barreled Upper - 16" - Mid-Length - Overrun

Manufactured by Expo Arms

Details

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

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Specifications

Barrel ContourMedium

Barrel Length16

BrandExpo Arms

Caliber Gauge5.56 NATO

ColorBlack

FinishHardcoat Anodized

Gas System LengthMid-Length

Gas System TypeDirect Impingement

Handguard15 in Freefloat Rail

Muzzle DeviceFlash Hider

PlatformAR-15

Thread Pattern1/2 X 28

Twist Rate1:8

California Prop 65 warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information go to www.P65Warnings.ca.gov.

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