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AIRSOFTCON 2026 - October 17, 2026

G&P Complete 8mm Reinforced Gear Box for M4 M16 Airsoft AEG
(Configuration: i5 Rear Wired V2 / For Deans / T-Plug Connector)

ID: 39750 (GB-GP-EV-GB003B)
EV-GB003B-V2
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G&P

$109.00 $70.85

Save 35%

Airsoft Authority Since 2001
Serving enthusiasts for over 25 years
Industry-Leading Warranty
Buy with confidence - 90 day warranty
Ships Fast from US Warehouses
Free shipping over $149 in lower 48 states
MAP ProtectedExempt From Coupons
The manufacturer of this product enforces a strict minimum advertised price (MAP) policy which excludes this product from any additional discount coupon codes. This item, however, may qualify for free shipping.
Order within 3 hours 1 minutes Receive as soon as Mon Aug. 10

Product Description

Features

  • Drop in upgraded gearbox works with most M4/M16 receivers as well as other AEGs that utilize a version 2 gearbox
  • Durable, reinforced G&P construction ensures reliable operation and lifespan as well as easy to replace, upgradeable components
  • Complete gearbox
  • 8mm steel bearings. steel gears and numerous high grade components make this one of the most reliable gearboxes on the market
  • Utilizes screw type motor connectors
  • Designed for Full Auto only

Manufacturer: G&P

Product Specifications

Power: ~400 + FPS
Wiring and Connector: Front wired with a standard Deans / T-Plug Connector
Compatibility: Most popular M4/M16 series AEGs or other AEGs that utilize a Version 2 gearbox
Material: Aluminum, Steel, Metal Alloy

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G&P

About G&P

G&P is among the oldest Military-simulation and training Airsoft manufacturers in the world. Started as a top combat light provider for law enforcement and military agencies around the world, G&P branched into Airsoft manufacturing with the same belief to never sacrifice quality for lower price. Their motto is visible on every G&P product. Every G&P AEG rifle is hand assembled and individually fine-tuned by top technicians in the industry to match G&P's unparalleled quality and reputation. G&P utilizes CNC precision machining and real-steel finish/coating processes on many of their products.