... Just left a small dent on the primer (light hit). Quite a few years back, I knew 2 middle school age brothers who placed a bullet (type and caliber forgotten) in a vise, and hit the primer with a hammer. This is not to say one design is more likely to set off a primer then any other. Sometimes the primer will go with a follow-up hit, and sometimes it won't. But if there is no huge bang after the hammer drops then it is light primer strike. SA pull is normally a longer hammer fall than DA pull. The hammer throws the firing pin forward to hit the primer. I did shoot the 58.5 and 59.0 gr. Thus, the less distance the hammer moves during the firing cycle, the less force it generates to hit the primer. The primer mix is intended to detonate when sheared between the cup and the anvil by the primer strike. ... and the beauty of that weapon is the pin block that drops the hammer and prevents it from hitting the firing pin when the safety is applied. Aardvark Reloading 1 month ago. 1 2. Small amount as in it sounds like a weak firecracker if it goes off. as well and placing a similar round in a small hole drilled in a tree, and hitting it with a hammer. Make sure that the firing pin moves freely, and make sure that the firing pin can protrude through the bolt face. A second stick on the primer would tell me this might be the issue should the round go off on second strike. it would detonate. * Two Colt 1911's and a S&W Model 39 = Pencils bounced off the ceiling! A fast DA pull will sometimes make the hammer rebound a bit farther than a slow pull and set off a weak primer. I don’t have a way to measure this but took the idea to heart and fired all loads double action with the thought that if it fires with a “weaker” hammer fall from double action, that should be the more rigorous test of the mainspring’s reliability. 0 0. Get answers by asking now. 3 ¼ LB for 38 special) I hang the weight with a piece of string looped on the end of the hammer. if you held a nail on the bullet primer and hit that with a hammer it could go off. Some striker fired guns are single action: the cycling of the slide fully cocks the striker and the trigger serves only to release it. Instead, the mainspring is positioned within the slide and acts on the firing pin directly. Be aware that whacking live cartridges with a hammer could result in needing to have pieces of brass dug out of your hide. Primer: Federal 210 Std. To give some background my first AR had a RRA 2 stage in its lower. The hammer works on a rotating basis: when the trigger is pulled, a spring forces the hammer to rotate, hitting the firing pin which then hits the primer of the cartridge, igniting it and thus firing the gun. The hammer strikes a heavier blow to the primer than the striker, but then ignition reliability isn’t a question with the Glock or Arex pistols. After this failed, he then secured a loose .50 cal. The hammer is a part of a firearm that is used to strike the percussion cap/primer, or a separate firing pin, to ignite the propellant and fire the projectile. Extensive injuries were suffered to his right hand, middle, ring and pinky finger. Rather than being hit by a hammer, it does the hitting itself. I ejected the round and noticed that there was a firing pin dent in the primer. It is so called due to the fact that it resembles a hammer in both form and function. Remove the mainspring assembly from the mainspring housing to be sure … Last I would look for anything dragging on the side of the hammer slowing down or binding the hammer fall.. With only 3 - 5 rounds failing I would look more at the spring. welp, when I was a kid, we did some experimenting, and we found that, If you hold a lighter to the back of an unfired round. It is also the part that sets off the charge in muskets (in the flash pan in older muskets, or the opening in caplock muskets).
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