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Rob Allen Stainless Steel Trigger Mechanism


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$ 75
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This stainless steel trigger mechanism with loading butt is a drop in replacement for the Rob Allen Vecta and Vecta 2 handle plastic trigger mechanism. In this version of the mechanism the stainless steel casing is extended to incorporate a Delrin loading butt. A small amount of material at the rear of the Rob Allen handle needs to be removed to allow this mech to fully seat inside the handle. Alternatively for those who prefer the Rob Allen handle without the loading butt, it can be cut off with a Dremel tool for an adjusment free installation.


  • Reverse trigger mechanism design adds 2" of band stretch increasing speargun power
  • High quality all stainless steel components.
  • Accepts all standard European shafts, and South African coated shafts like Rob Allen (up to 7.5 mm).
  • Mech housing accepts 300lb mono attached to back end of spear without chafing it.
  • Automatic resetting bottom line release (sear actuated). When the spear engages the trigger mechanism the line release moves to the forward locked position.
  • Line release accepts two wraps of 300lb mono.
  • Smooth trigger pull with 2 x 16mm bands.
  • Loading butt for ease of loading.