Action Army Infinity Long Axis AEG Motor
Action Army Infinity Long Axis AEG Motor
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DETAILS
DETAILS
- description
Most rifles ship with a motor chosen to hit a price, and it shows: soft magnets, a pinion that chews itself, and a trigger response that gets worse as the pack sags. Replacing it is one of the few upgrades that changes how the gun feels rather than just what it chronos.
The Infinity series is built around rare-earth magnets rated to stay magnetic when hot, a silicon steel rotor, silver plated wiring and larger carbon brushes, all turning a CNC machined stainless steel shaft. The pinion is a CNC machined steel gear, which matters because a soft pinion is what rounds off first and takes the bevel gear with it.
Four speeds are offered, from 30,000 up to 45,000 RPM. The number is not a league table: a high speed motor on a heavy spring draws hard and runs hot, while a slower one pulls the same spring comfortably and lasts longer.
Specifications
| Specification | Detail |
|---|---|
| Speeds offered | 30,000 / 35,000 / 40,000 / 45,000 RPM |
| Fitment | Long axis motor housing |
| Magnets | Heat resistant rare-earth |
| Rotor | Silicon steel |
| Pinion | CNC machined steel gear |
| Wiring and brushes | Silver plated wiring with enlarged carbon brushes |
| Shaft | CNC machined stainless steel, with enlarged ball bearing stabilisers |
| Manufacturer codes | 30,000 A10-004, 35,000 A10-003, 40,000 A10-002, 45,000 A10-001 |
Good to know before you buy
Long axis only. Measure before ordering if you are unsure which your grip takes, because a long axis motor will not seat in a short axis grip and forcing it damages both.
Match the speed to the spring, not to the spec sheet. A slower motor on a heavy spring is the pairing that survives a season; the fastest motor on the same spring is the one that cooks.
Set the motor height properly after fitting. The adjustment screw in the grip base decides how deeply the pinion meshes, and both too shallow and too deep will destroy gears. The sound tells you when it is right.
Action Army also build these in a short axis housing. We do not list those at the moment because the numbers do not work for us, so the four speeds here are all long axis.
Frequently asked questions
What does the RPM figure actually mean?
It is the motor’s free speed, measured with nothing attached. In a rifle it will turn slower, and how much slower depends on the spring it has to pull.
Should I buy the fastest one?
Usually not. High speed suits a light spring and a short stroke; a heavier spring wants torque, which the slower motors give you.
What battery do these need?
Whatever your rifle already runs, within reason, but a motor that pulls hard will show up a tired pack straight away.
Is the pinion included?
Yes, the pinion is fitted and it is a CNC machined steel gear rather than a pressed one.
Will this fit a short axis grip?
No. These are the long axis version and need the matching grip.
Do I need to re-shim after fitting?
Not the gearbox, but you do need to reset the motor height. Fitting any motor without doing that is how bevel gears die.