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O-Tac Gear Hammershot S1 Kit - NvZ Special Edition

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Price: $55.00

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Description Specifications Troubleshooting

This is our special Nation vs Zombies edition of the Hammershot S1 kit. It features a special edition 6-shot cylinder (pictured above).

The NvZ special edition 6-shot cylinder features:

  • Very limited quantity; it's a small batch produced by hand
  • Heavier solid part
  • One-piece construction
  • Orange paint job with glossy finish and 2 coats of clear finish
All other parts are identical to our regular edition.

The O-Tac Gear Hammer Shot Kit is a drop in kit that converts the cylinder from 5 to 6 shots, changes the hammer angle to make it more ergonomic, and replaces the trigger and mainspring. The cylinder has been completely re-engineered to make room for a 6th dart while also increasing efficiency. The inner diameter of each chamber has been tightened to make the most use out of the available air volume and the mouth of each chamber has been widened and tapered to facilitate easy loading. The cylinder automatically holds the air restrictor in the open position allowing you to use shortened darts without having to ramrod each dart when loading. You can also stack two short darts in the cylinder for double shots with reduced range. The hammer has been re-angled and textured to allow for smooth priming even with the 8kg spring installed.

Included with this kit:

  • 6-shot cylinder
  • Cylinder pin
  • Cylinder screws (2x)
  • Ergonomic hammer
  • Trigger
  • 8kg mainspring
  • Replacement plunger seal
  • O-Tac Gear stickers


  1. 6-shot cylinder.
  2. Better dart seal in chamber.
  3. Ergonomic hammer.
  4. 8kg spring.
  5. OMW Trigger.
  6. All parts are constructed from impact resistant materials.

Design Changes

  • Constructed out of forged zinc/magnesium alloy.
  • Hammer angle changed.
  • Aggressive texturing added to top of hammer.

June 2015:
  • Changed material to POM.
  • Reduced sharpness of hammer texture.

May 2016:
  • Material changed to forged metal.
  • Hammer texturing rounded over to be easier on the user’s thumb.

  • Constructed out of ABS plastic.
  • 6th chamber added.
  • Cylinder timing modified and improved to accommodate 6th chamber.

June 2015:
  • Changed material to POM.
  • Modified construction to accommodate injection molding.
  • Screws added.

May 2016:
  • Material changed to ABS plastic.
  • Broken up into 3 separate parts for more accurate injection molding.
  • Wall thickness reduced to minimize shrinkage.

  • Constructed out of forged zinc/magnesium alloy.
  • OMW logo added.

June 2015:
  • Changed material to POM.

May 2016:
  • Material changed to forged zinc/magnesium alloy

  • Constructed out of high quality music wire.
  • Chrome plated.
  • 8kg+ output.

Plunger Seal

June 2015:
  • Added to kit because the original plunger seals on some Hammershot Blasters are not glued to the plunger body correctly.

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Average Rating: 5 of 5 Total Reviews: 1 Write a review »

  0 of 0 people found the following review helpful:

Hammershot O-TAC NVZ Special Edition April 10, 2017
Reviewer: Vim Fuego from Wellington, New Zealand  
Awesome - installation was a breeze, the minor modifications that I had read about in previous reviews were unnecessary, and so far there has been no need for me to use the upgraded foam seal that I received with the kit, so I'll have a spare for the future - just in case.
The barrel got a new coat of paint - orange isn't really my colour, sorry guys! - but the quality of OMW's paintjob meant that mine went over the top of it without any problems at all.
Here's a link to my finished piece: http://i.imgur.com/9QMwefj.jpg
and more here:

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