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Perun Mosfet Upgrade for AEG Airsoft Rifle V2 Tokyo Marui Gearbox V3, G&G ETU Gearbox, Krytac Kriss Vector, VFC G28/HK417 Gearboxes, and HPA Systems - Programmable Fire Modes, Precocking, DMR Mode
✅ In stock
⭐ Lowest price we've tracked
D
Grade
Analysis Confidence
81%
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 22, 2026 6:01 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
😐 Weak Deal- 😐Verdict: Weak Deal. Marginal discount. Prices may drop further soon.
- 💰The price is modestly below what this product ordinarily sells for.
- 📉Our analysis places this at the most competitive price point we have ever tracked for this product — an exceptional moment to buy.
- ➡️Pricing has held fairly steady, with no strong push in either direction.
How We Scored This Deal
Price Competitiveness
0/28
Recent Value
0/22
Market Standing
11.81/20
Deal Strength
20/20
Momentum
4/10
📝 Product Overview
🏪 Sold by
Middletown Outdoors ✅ American Owned ✅Auth Dealer
📦 Fulfillment
Fulfilled by Amazon
🚚 Shipping
Free Shipping
Product Details
✓Perun ETU Upgrade for the VFC G28/HK417 replacing the stock Mechanical Contacts with Optical and Magnetic sensors that allow for multiple adjustment options
✓Compatible with VFC G28/HK417 Gearbox or Retro Arms CNC Upgraded Gearbox. Any gearset can be utilized including DSG, TSG, short stroked, helical, non-helical, and with any gear ratio
✓Integrated Clicker allows the adjustment of Pretravel and Overtravel to be fine tuned to user preference for the best performance
✓Adaptive ETU control sensors check the ETU position and uses it as reference to ensure mode selection and precise pull/travel before activation each time the battery is connected
✓Programmable fire modes such as: Burst, Active Brake, Precocking, ETU Sensitivity, and DMR Mode as well as a built-in Diagnostic System to immediately help with troubleshooting
✓Professional Installation Recommeded on All Gearbox Upgrades
⚙️ Specifications
5 x 4 x 1 inches
1 ounces
Perun
G2-XX-XX
Perun ETU for VFC G28/HK417
Multi
Plastic
unisex-adult
VFC G28/HK417 Gearbox
Perun ETU (G2-XX-XX), Program Card
Item Package Dimensions L x W x H
5 x 4 x 1 inches
Package Weight
1 ounces
Brand Name
Perun
Warranty Description
Perun 24 Month Warranty from date of retail purchase. This warranty covers defects in materials or workmanship under normal use conditions. Does Not cover damage caused by improper installation, alterations, damaged power sources, or wear and tear. *Professional Installation Recommended
Model Name
Perun ETU for VFC G28/HK417
Color
Multi
