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Custom 16" 5.56 M4 1x9 Stainless Steel w/ Std Height Gas Block

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Our Price: $415.00
We currently have 2 available.
Item Number: UK16M49SGB
Manufacturer: JSE Surplus
Manufacturer Part No: UK16M49SGB

Upgrade / Modification Options

Charging Handles / Latch
Flash Hiders, Comps, Brakes (for 1/2x28 Muzzle Threads)
Bolt Carrier Assembly
Handguard Upg/Mods - All HG longer than 7" (Carbine) will include micro gb 9MM/45ACP no gb
Upper Receiver Options

This is a Custom Complete Upper, ready to drop in and fire.

**If you do not make any changes you will receive item as pictured. Make your needed selections to upgrade this upper before you add it to your shopping cart.**

16" M4 Stainless Steel

  • Chamber - 5.56MM
  • Barrel Twist - 1x9
  • Barrel Thread - 1/2 x 28
  • Barrel Steel - 416R Stainless Steel
  • Flash Hider - A2
  • Handguard - Standard 2 piece Carbine Black Handguards
  • Gas Block - Standard Height .750 Gas Block
  • Upper Receiver - M4 Flat Top Upper
  • Bolt Carrier Group - Included
  • Charging Handle - Included

Mag NOT Included

Warranty: 1 year warranty against manufacturer defect.
***Ammunition Notification*** JSE Surplus test fires every custom upper to verify cycling. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will only warranty cycling with US made ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds. Some of the non-warrantied ammo includes: Tula, Wolf and Perfecta.

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