Description
ASG Ultimate Gear Set High Speed CNC 16.5:1 for Airsoft AEGs
Find the perfect balance between speed and torque with the ASG Ultimate CNC Gear Set 16.5:1—an exceptional choice for airsoft players looking to fine-tune their AEG for responsive semi-auto and reliable full-auto performance. Ideal for mid-speed builds, this gearset is engineered to provide a stable rate of fire with enhanced efficiency and minimal wear, making it a versatile upgrade for a wide range of custom setups.
Each gear in the 16.5:1 set is CNC-machined to exact tolerances and then subjected to differential heat treatment to harden critical contact points. This process ensures long-term durability and precision operation under pressure. Designed to work seamlessly with ASG high-performance motors and Ultimate mil-spec springs, this gearset forms the core of a smooth and powerful internal system—perfect for players seeking high reliability in competitive or recreational scenarios.
Whether you're building a responsive CQB rifle or a balanced field AEG, the 16.5:1 ratio offers a dependable, middle-ground performance profile. As part of ASG's renowned Ultimate upgrade series, it’s built for those who want quality components that deliver consistent results without compromise.
Highlights
- 16.5:1 gear ratio for balanced speed and torque
- CNC-machined construction for precision fit
- Differential heat-treated for increased durability
- Compatible with ASG motors and Ultimate springs
- Ideal for semi-auto and full-auto builds
- Reduces internal stress for smoother operation
- Enhanced gearbox lifespan and reliability
- Trusted component from ASG’s Ultimate upgrade line
What's Included
- Bevel gear
- Spur gear
- Sector gear
- Retail packaging
Technical Specifications
- Gear ratio: 16.5:1
- Material: CNC-machined steel
- Compatibility: Version 2/3 AEG gearboxes
- Weight: 85g
- Heat-treated contact points for durability
Product Reviews
Delivery & Returns
Delivery Information
Affordable Shipping – Starting from Just £2.50
Our delivery prices begin at only £2.50 for UK mainland orders, with free standard delivery available on all orders over £100*. To quickly find out the exact shipping cost for your items, simply add everything to your basket. In the basket, you'll see a link under the subtotal titled "Estimate Shipping & Tax"—click this, enter your delivery details, and you’ll get a full quote including whether you qualify for free shipping.
Free Shipping Offers
- UK Mainland: Free on orders over £100*
- Northern Ireland, Republic of Ireland, Scottish Highlands & Islands, and Isle of Man: Free on orders over £100*
- Channel Islands: Unfortunately, we do not offer free shipping to this region
*Free shipping is a 5 working day service. For example, an order placed on Monday would typically arrive the following Monday.
Mainland UK Delivery Options
- Royal Mail: From £2.50 (2 working days, price based on weight)
- Economy Delivery: £4.95 flat rate (2–4 working days)
- Express Delivery: £6.95 flat rate (1–2 working days)
Working days exclude Saturdays, Sundays, and public holidays. Need your order on a Saturday? We can arrange this for £20—please contact us directly after placing your order to pay the balance.
Delivery Prices – Outside Mainland UK
- Northern Ireland: From £5.95
- Scottish Highlands & Islands: From £5.95
- Isle of Man: From £5.95
- Republic of Ireland: £6.95 flat rate (any size order)
- Channel Islands: £7.95 flat rate (any size order)
We strive to keep our delivery charges as fair and straightforward as possible, with clear options to suit all needs and budgets.
