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CUSTOM 18" 450 BUSHMASTER MID NITRIDE 1X24 RHGB

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Our Price: $495.00
We currently have 3 available.
Item Number: UK18450GLNRHGB
Manufacturer: JSE Surplus
Manufacturer Part No: UK18450GLNRHGB

Upgrade / Modification Options

Charging Handles / Latch
Mid Handguard Options / All HG longer than MID will include micro gb 9MM no gb
Gas Blocks
Flash Hider
Bolt Carrier
Upper Receivers

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.**

18" Nitride .450 Bushmaster

  • Chamber - .450 Bushmaster
  • Barrel Twist – 1:24
  • Barrel Thread - 11/16x24
  • Barrel Steel - 4150 Chrome Moly Vanadium Steel
  • Flash Hider – .450 Bushmaster 1/16x24 Muzzle Brake -  
  • Handguard – Mid Length  2 Piece
  • Gas System- Mid
  • Gas Block - .750 Rail Height Gas Block
  • Upper Receiver - M4 Modified Flat Top Upper
  • Bolt Carrier Group - Included
  • Charging Handle - Included

No Mag 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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