I am interested in maybe purchasing the Shield in 9mm. I've shot a rental unit at my local range and was quite impressed with it. I have a few questions that I didn't see and answer to on their website or in searching here. Does the pistol have a passive firing pin block; in other words, unless the trigger is pulled fully back, the striker can't hit the primer? Is the main spring kept only in partial tension when cocked, similar to Glock's? And lastly, are there any differences between the model with and without the external safety, (besides the safety, obviously)? Thanks.
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