EPeS M249 Hop Up

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A high-end hop-up chamber for the M249 SAW that will give your gun maximum performance and precision. Our unique chamber design uses the standard AEG hop-up bucking but provides flawless construction and many upgrades at the same time. Thanks to all these features, our chamber delivers top performance, reliability and user comfort so that you can get the maximum out of your gun. Precisely made using CNC machines and with H+PTFE surface finish, this hop-up chamber offers the combination of high performance and ease of use.8596540000102
  • For M249/MINIMI by A&K, P&J, CA
  • Precise hop-up adjustment– the regulator wheel has 360° setting range
  • The direction of hop-up regulation is visibly marked.
  • State-of-the art design of the bucking's lip fit on the inside of the chamber – successfully tested with most of the buckings available on the market
  • Designed for AEG hop-up buckings with standard lip length (e.g. Systema). To adjust the chamber for use with buckings with longer lip length, it's possible to use enclosed washers – read more on the lip length issues in our article.
  • The adjustment of the chamber's clearance against gearbox's opening is done with the enclosed o-rings (two sizes).
  • Vertically seated pressure bar – works great with Maple Leaf hop-up buckings
  • A groove in the top of the hop-up chamber allows for fixation inside the gun's outer barrel housing.
  • The hop-up chamber can also be fixated inside the gun's body by using the enclosed grub screw.
  • The pin for mounting of the chamber into the feed assembly is replaceable – if needed, it is possible to use a longer pin for a better fit
  • Made of EN AW 7075-T6 aircraft-grade duralumin with proven H+PTFE surface finish
  • Made in the Czech Republic

 Package contents

  • Hop-up chamber
  • Hop-up pressure bar regulation ring
  • 1 pressure roller
  • 2 pcs o-rings for securing of the regulator ring (9×1,5 mm)
  • 2 pcs o-rings for adjusting the clearance of the chamber against the gearbox opening (sizes 6×1 mm and 9×1 mm)
  • 2 pcs spacer sleeves for hop-up bucking lip (0.1 + 0.2 mm)
  • 4 pcs grub screws for fixation of the gun's barrel inside the hop-up chamber (2 pcs M3×5 + 2 pcs M3×4 – fits the boltholes located inside the groove on top and bottom of the chamber)
  • A grub screw for fixation of the hop-up chamber inside the outer barrel housing (M3×12)
  • A longer replacement pin for mounting of the chamber inside the feed assembly

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