Description, Features & Specifications

Description

This high quality Version 3 gearbox upgrade kit features a powerful M120 spring, that is sure to raise the FPS of your Version 3 gearbox equipped AEG. Also included in this premium upgrade package is an aluminum, steel teeth piston head, a ported aluminum piston head, a full seal cylinder, an aluminum cylinder head, and a steel bearing spring guide. If you want to maximize the performance of your AEG, this is the upgrade kit for you!

NOTE: Professional installation is recommended/may be required. Airsoft Megastore is not responsible for the installation of these components, or damage to your AEG caused by installing these components. Make sure to check the compatibility of your AEG and your AEG's gearbox with these upgraded internal parts. This upgrade kit is for full metal Version 3 Gearboxes only!

In the Box

Specifications:

California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Description

This high quality Version 3 gearbox upgrade kit features a powerful M120 spring, that is sure to raise the FPS of your Version 3 gearbox equipped AEG. Also included in this premium upgrade package is an aluminum, steel teeth piston head, a ported aluminum piston head, a full seal cylinder, an aluminum cylinder head, and a steel bearing spring guide. If you want to maximize the performance of your AEG, this is the upgrade kit for you!

NOTE: Professional installation is recommended/may be required. Airsoft Megastore is not responsible for the installation of these components, or damage to your AEG caused by installing these components. Make sure to check the compatibility of your AEG and your AEG's gearbox with these upgraded internal parts. This upgrade kit is for full metal Version 3 Gearboxes only!

In the Box

Specifications:

California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Earn 0 points on this purchase.

Learn more
XTREME Superstore by JBU

ACC-SDJA44

JBU Full Metal Version 3 Gearbox FPS Upgrade Kit for AK/ AUG/G36 AEGs

$44.38
$44.38
Shipping calculated at checkout.
1x M120 Spring1x Aluminum Steel Teeth Piston1x Ported Aluminum Piston Head w/ Bearings1x Full Seal Aluminum Cylinder1x Aluminum ...  Read more
  • 1x M120 Spring
  • 1x Aluminum Steel Teeth Piston
  • 1x Ported Aluminum Piston Head w/ Bearings
  • 1x Full Seal Aluminum Cylinder
  • 1x Aluminum Cylinder Head
  • 1x Steel Ball Bearing Spring Guide
Get FREE Returns within 14 days.
Add Free Returns to your cart for extra peace of mind.

XTREME Returns

As a small business, we face a choice: we can either raise all of our prices to cover the cost of returns, or we can keep our prices low and offer an optional Return Guarantee. We chose the second option because it's fairer to you. That $5 goes directly toward the logistics of a pre-paid return, meaning you get a "no-questions-asked" experience without us having to inflate the cost of every item in our shop. It keeps us independent and keeps your wallet happy. When you shop with us, your order isn’t just a number—it’s handled by a small team that cares about the gear we sell. Because we don't have the massive overhead of a giant company, we use this $5 guarantee to bridge the gap. It provides you with a pre-paid, priority return path, ensuring that if you need to send something back, we can process it immediately and get your refund or exchange moving. Thank you so much for understanding.
Free shipping on orders $200 and above.
Free fast shipping! Excludes very heavy items like Bulk BB Bags.

Free Shipping

Get free shipping on all orders above $200. This excludes certain items such as bulk BBs, or any sort of item that requires special handling (such as hazmat).
Pay any way you want, securely.
We accept all major cards, Afterpay, PayPal, Crypto, Apple Pay, Cash App & More. Obviously, all payment info is encrypted.

Payment Methods

We accept a wide variety of payment methods to ensure our customers can get what they want from us without hassle. Like many online stores, we use Shopify Payments. Their platform, which is partnered with Stripe, is secure. Looking for a payment method which is currently unavailable? Please let us know! We will look into it ASAP.
Free In Store Pickup!
Pick your items up at our field for FREE.

Free In Store Pickup!

Ship your item to our store free! We will ship your item directly to our shop if we don't have it there already. Otherwise, you can just pick up your item immediately if it's currently stocked in store.

Join our Rewards Program and earn points on every order! No other Airsoft shop has a system like this!

Join Now

Check Out These Related Products

Best Sellers