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Siegetek Concepts Precision Airsoft AEG Gear Set (Type: V6/V7 / 27.08:1)

ID: 84646 (Gears-ST-GS-T2)
Siegetek Concepts84646SC GS T284646
5.0 stars, based on 5 reviews
Siegetek Concepts Precision Airsoft AEG Gear Set (Type: V6/V7 / 27.08:1)
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Siegetek Concepts


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  • Precisely calculated and accurately produced gear teeth in volute profiles provide maximum efficiency and durability.
  • CNC machined and case hardened sector gear offers increased durability over traditional powder metallurgy sector gears.
  • Enlarged sector gear release tooth provides enhanced strength to cope with the accumulated spring load at the end of piston cycles.
  • Shape-optimized power cut-off cam decreases cut-off lever reset time, which reduces the chance of trigger switch jam.
  • Increased gear thickness provides higher bearing surface and improves structural durability.
Siegetek Concepts is a US company that specializes in high precision premium mechanical gears for electric airsoft guns. In addition to superior designs and quality material selection, we heavily use CNC machining and minimize sintering for the production process. In fact, Siegetek Concepts is the only company in the industry that currently produces fully CNC machined nickel chromium molybdenum steel sector gears for unprecedented durability.

Material: Nickel chromium molybdenum steel

Manufacturer: Siegetek

Note: Precision shimming required. Professional installation recommended.

5 Customer Reviews

(Write a review)

by Marshall K. on 03/17/2020
"I have the 14.09:1 gears, sp140, and an ASG 28 TPA motor--instant response but plan to get 10:1 for even more response.

Pros: indestructible if shimmed right, many options of ratio on the market.

Cons: price
by Stephen D. on 06/23/2018
"I've had these gears in my JG SL-8 for almost a year now and they ARE the best gears I could get. By far. They do take some trial and error to get them shimmed right and running at optimum speed. I changed out the bushing to Modify 8mm ceramic bearings and have this coupled with a gt-45000 motor from 6mm shop. I get about 38 to 41 RPS depending on the charged of my 11.1 lipo.

I could not ask for a better setup. Warning though..If you use these, make sure you change the piston to a full steel tooth piston and dont skimp on other internal parts.

My sl-8 is now a full SAW and it is terrifying. I HIGHLY recommend any gear from seigetek. I'm pulling an m120 spring with a bore up kit and I get about 328 FPS with 0.25 BBs. Only issue I have had, is I put in a Gate Titan mosfet into a CNCed gearbox. The issue I had is the selector plate kept breaking on me. These are NOT for the faint of heart, but if you want a solid build that can scream, then these are for you.
by Jeffrey C. on 05/14/2017
"these arrived in great condition and these gears are the best in the world in my opinion (at least for now since its 2017). these gears can handle a prommy sp200 in my DMR. Ive shot about 5000 rounds and I reopened the gearbox to check everything out. THE GEARS HAD NO SCRATCHES OR DINGS OR ANY FORM OF DAMAGE AND IT ALSO DIDNT DAMAGE THE TEETH ON MY THOR2 PISTON BY ANGEL CUSTOMS. if you have the money for this investment then do it!! you will not ever be let down in any build youre doing with siegetek gears. BUY THEM IF YOU CAN, YOU ONLY NEED ONE SET THAT WILL ALMOST NEVER NEED TO BE REPLACED. (im still trying to see how long they last so i will update this review on a later date)

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