Wolverine MTW Ambidextrous Selector Switch — Three-Position or Semi-Only
Wolverine MTW Ambidextrous Selector Switch — Three-Position or Semi-Only
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DETAILS
DETAILS
- description
Selector switches take more abuse than almost any external control. They get thumbed hard under pressure, caught on webbing, and knocked against door frames. Polymer paddles round off at the detent and eventually start slipping past positions, which is the sort of failure you notice at the worst possible moment.
This assembly uses full steel paddles rather than moulded ones, mounted on a CNC-machined stainless barrel. It is ambidextrous, so left-handed shooters get a proper control rather than reaching over the receiver, and right-handed shooters get something to work against when transitioning around cover on their weak side.
Wolverine publish the constituent part numbers, which is useful if you ever need to replace just one element rather than the whole assembly: the three-position selector is MTW-SA-107, the semi-only alternative is MTW-SA-116, the short arm is MTW-M-175 and the screw is MTW-H-122.
Specifications
| Specification | Detail |
|---|---|
| Paddles | Full steel construction |
| Barrel | CNC stainless steel |
| Three-Position option | MTW-SA-107 |
| Semi-Only option | MTW-SA-116 |
| Short arm | MTW-M-175 |
| Screw | MTW-H-122 |
Which one do I need?
Take Three-Position unless you have a reason not to — it is the standard safe, semi and auto arrangement. Take Semi-Only if your site restricts you to single shots, if you are building for a role or a ruleset that does, or if you simply prefer a selector that cannot be knocked into auto by accident. The two share the same housing; only the selector itself differs.
Frequently asked questions
Can I fit just one paddle? Yes. Plenty of builders run a full paddle on the firing side and the short arm on the other to keep it from catching on a sling or plate carrier.
Does it change how the electronics behave? No. The selector reports position to the control unit exactly as the original does; fire states are still defined in the FCU.
Is any modification needed? None on an MTW-spec receiver. It is a direct replacement for the factory selector.
Can I swap between the two later? Yes. They use the same housing, so moving from three-position to semi-only later is a selector change rather than a rebuild.