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Posted: 3/28/2006 8:56:05 PM EDT
[Last Edit: 3/28/2006 9:44:24 PM EDT by M4A1OwnsYou]
What's the difference and benefits?

I understand that shrouded means it's hidden, but what does an unshrouded firing pin look like?
Link Posted: 3/29/2006 3:17:55 AM EDT
Click HERE for info! Hope this helps-ARKAR
Link Posted: 3/29/2006 8:38:22 AM EDT
Thank you :)
Link Posted: 3/29/2006 9:36:07 AM EDT
I don't see why a shrouded firing pin would be a benefit when using a semi-auto AR-15. The reason Colt created this cutout in the first place was to catch the semi-auto hammer in the event of a disconnector failure. It's easy to test this feature yourself by pulling back on your charging handle, and as you ease it forward, release the hammer by pulling the trigger. This should cause your bolt carrier to "hang up;" that's exactly the way it was designed. If it doesn't, and your disconnector fails, it could result in a slam-fire. This is exactly why your semi-auto hammer has that little notch on the top. It's meant to catch on the firing pin, which it can't do if the bolt carrier covers the firing pin.

To each his own, but I wouldn't want one of these in any of my semi-auto rifles. Field agents know all about this, and I can tell you that before anything else, they will try this test on your rifle. The next step will be testing with "soft" primered ammunition, and possible tampering with the disconnector. Why give them the opportunity for little or no benefit to yourself in the first place? (ATF agents reading this are going to hate me!)

Keep it legal, and have fun!
Link Posted: 3/29/2006 10:11:29 AM EDT

Originally Posted By FITTER:
I don't see why a shrouded firing pin would be a benefit when using a semi-auto AR-15.



If tolerances stack the wrong way or you use the M16 firing pin with a slightly larger diameter collar then the notched AR15 hammer grabs the collar of the firing pin during normal cycling as well and slams it against the firing pin retaining pin. This eats up the hammer and the firing pin collar as well as bending the firing pin retaining pin.
Link Posted: 3/29/2006 10:17:15 AM EDT
If that's the case, it seems to me that it would be easier (and cheaper) to change out the firing pin for the correct one.

Like I said, to each his own. We all have our priorities, as do our LEOs.
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