Double Bell M4 SIR#45

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  • Regular price $380.00
Tax included.

The all new M4 SIR#45 gel blaster rifle boasts a metal receiver, metal top rail, nylon lower handguard, flip up front metal iron sight and adjustable rear. The m4 SIR#45 performs as good as it looks, hitting a heavy 340 FPS out the box. 

Out of the box, this gel blaster comes with metal gears and a high quality O-ring. The SHS trigger block gives you a snappy semi-auto function with great durability. This gel blaster has a unique flash hider with inbuilt hop up, allowing you to keep true to the original style while still maintaining functionality. With no upgrades needed, this blaster is field ready out of the box. Chuck your 11.1v battery in and you are ready to hit the field. 



  • Metal Receiver 
  • Metal Gearbox
  • Averaging 340 FPS out the box
  • CNC Handguard
  • Nylon Buttstock 
  • Metal Magazine
  • 7.3mm tight bore Stainless Steel Barrel
  • Inner Barrel Stabilizer 
  • Metal 480 Long motor
  • 1.3 Spring
  • 18 AWG silver wiring
  • Double Bell Piston
  • Double Bell Piston head
  • Thick O-ring for excellent seal
  • One piece Anti Reverse Latch
  • Ported cylinder
  • 18:1 Metal Gears
  • Metal Outer Barrel
  • Metal trigger
  • SHS trigger block 
  • 11.1v ready Mini Tamiya plug
  • Realistic Decals 
  • Metal Bolt Release