Expo Arms Patrol Series AR-15 Barreled Upper Receiver - Flash Hider - 11.5"

Manufactured by Expo Arms
SKU: XP-P-556-115
MPN: XP-P-556-115
Manufactured by Expo Arms
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The Expo Arms Patrol Series Barreled Upper Receiver offers a high-quality option for any build. The heart of this barreled upper is the Expo MIL-SPEC forged upper receiver assembly, upgraded with T-marks for repeatable optic mounting. The 11.5" Combat Series barrel has a chrome lined 5.56 NATO chamber and reliable carbine-length gas system. The 10.5" Patrol Series handguard features M-LOK slots on 7 surfaces providing plenty of space for your favorite accessories. The Expo Arms Patrol Series Barreled AR-15 Upper Receiver is the perfect choice for your next AR pistol or SBR build.

  • 7075-T6 forged aluminum MIL-SPEC upper
  • T-Marked
  • 11.5" Combat Series barrel
  • Carbine Gas System
  • Chrome lined bore with phosphate finish
  • 1:7 Twist Rate
  • 10.5" Expo Arms Patrol Series M-LOK Handguard
  • A2 Flash Hider

Expo Arms offers top-quality MIL-SPEC AR-15 components at rock bottom prices. Made in the U.S.A. and covered by Expo’s Limited Lifetime Warranty against manufacturer defects, material or workmanship problems, and even normal wear and tear.
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AssemblyBarreled Assemblies
Barrel CoatingManganese Phosphate
Barrel ContourSOCOM
Barrel Length11.5
Barrel LiningChrome
Barrel Material4150 Chrome Moly Steel
BrandExpo Arms
Caliber Gauge5.56 NATO
Gas System LengthCarbine
Gas System TypeDirect Impingement
Handguard10.5 in M-LOK Rail
Muzzle DeviceFlash Hider
Thread Pattern1/2 X 28
Twist Rate1:7

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