The plunger rod is used to help guide the plunger head through the plunger tube, as well as keeping the spring in place. In external mechanism blasters, such as the Nite Finder EX-3, it is also used as a priming handle. Some blasters, such as the SharpFire, don't use a plunger rod, even though they are direct plunger.
There are a handful of blasters use the plunger rod as a priming indicator. For example, most spring-powered blasters that feature detachable shoulder stock compatibilty, such as the Retaliator, feature a slot at the back of the stock attachment point's tube, which will display the back of the plunger rod when the blaster is primed.
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|External features||Barrel • Cylinder • Jam door • Muzzle • Priming mechanism • Safety • Tactical rail (RIVAL • Buzz Bee • BOOMco. • Picatinny • X-Shot) • Trigger (Acceleration trigger • Firing trigger) • Turret • Unjamming button|
|Firing mechanisms||Air bladder • Air tank • Flywheel • Plunger (Direct • HAMP • Motorized direct • Reverse) • String|
|Dart delivery||Bolt sled • Breech • Conveyor system • Dart tooth • Pusher mechanism • Rotation mechanism|
|Plunger parts||Catch • O-ring • Plunger head • Plunger tube • Plunger rod • Spring (Torsion)|
|Other internals||Air restrictor (Intelligent) • Dart post • Flywheel cage • Lock|