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Posted: 3/17/2017 3:17:19 PM EDT
[#1]
As far as I know a 9mm AR firing pin is identical to and works just like an AR15 pin.
So yea, the rear of the pin should protrude just a bit but has some front-back 'play' since it has no spring. |
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Posted: 3/17/2017 3:58:00 PM EDT
[#2]
Quote HistoryQuoted:
As far as I know a 9mm AR firing pin is identical to and works just like an AR15 pin. So yea, the rear of the pin should protrude just a bit but has some front-back 'play' since it has no spring. Not sure on the PSA stuff, but colt style bolts have a firing pin spring. |
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Posted: 3/17/2017 4:00:33 PM EDT
[#3]
Quote HistoryQuoted:
std AR and 9mm firing pins are not the same. Not sure on the PSA stuff, but colt style bolts have a firing pin spring. Quote HistoryQuoted:
<strong>Quoted:</strong>
As far as I know a 9mm AR firing pin is identical to and works just like an AR15 pin. So yea, the rear of the pin should protrude just a bit but has some front-back 'play' since it has no spring. Not sure on the PSA stuff, but colt style bolts have a firing pin spring. Exactly this. Also PSA has their metalform mags on sale, $12.99 each, buy ten, and free shipping!!!!! |
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Posted: 3/17/2017 4:49:38 PM EDT
[#4]
The PSA 9mm Bolt has a spring, you should be able to remove the firing pin retainer and the firing pin and spring will fall out the rear, to replace reinsert the firing pin and spring, press the firing pi in slightly and reinsert the retainer. By the way, The PSA 9mm Bolt is made by New Frontier Armory, they sell replacement Bolt parts if you ever need any, My PSA Hybrid Bolt has seen close to a thousand rounds so far without any problems.
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Posted: 3/17/2017 5:32:43 PM EDT
[#5]
Quote HistoryQuoted:
The PSA 9mm Bolt has a spring, you should be able to remove the firing pin retainer and the firing pin and spring will fall out the rear, to replace reinsert the firing pin and spring, press the firing pi in slightly and reinsert the retainer. By the way, The PSA 9mm Bolt is made by New Frontier Armory, they sell replacement Bolt parts if you ever need any, My PSA Hybrid Bolt has seen close to a thousand rounds so far without any problems. 
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Posted: 3/21/2017 9:33:14 AM EDT
[#6]
My bad for posting incorrect info.
Never noticed that, which means I've never cleaned this RRA bolt on the inside. Now I've got something to do this weekend. Was not aware that PSA hybrid BCGs are New Frontier, that explains why my PSA billet Glock lower looks identical to the NFA. |
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Posted: 3/21/2017 11:21:29 AM EDT
[#7]
This bolt was part of a complete rifle I just got in Friday- PSA upper/forged lower with 16"bbl. My first PCC and wanted it in 9mm to match all my pistols (also have an ACC TiRant 9M in jail right now). Was experiencing some feeding failures with the buffer and spring it came with, switched out to a 7.5 oz buffer and a 9mm/.308 carbine-length spring and no failures for a couple of hundred more rounds
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Posted: 3/21/2017 7:46:57 PM EDT
[#8]
A buddy of mine bought the New Frontier Modular 9mm BCG for his build and has had several firing pins break.
Anyone else seen that? Dave N |
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Posted: 3/21/2017 8:54:34 PM EDT
[#9]
Quote HistoryQuoted:
A buddy of mine bought the New Frontier Modular 9mm BCG for his build and has had several firing pins break. Anyone else seen that? Dave N |
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Posted: 3/22/2017 9:54:17 PM EDT
[#10]
Thanks. Long as I've been around I'm new to the AR9.
Love mine with a Taccom upper! Dave N |
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Posted: 3/23/2017 9:59:31 PM EDT
[#11]
Where can I buy the replacement firing pins???
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Posted: 3/24/2017 1:29:28 AM EDT
[#12]
9mm AR firing pins are notorious for breaking.
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Posted: 3/24/2017 5:45:38 PM EDT
[#13]
Quote HistoryQuoted:
Where can I buy the replacement firing pins??? I know on my pre-hybrid PSA bolts the firing pins were, shall we say, "suspect" so I replaced them with Rock River pins from 9mmAR.com. These are what I used:RR Firing pins Perfect fit and protrusion. I hope that is of assistance to you. |
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Posted: 3/24/2017 11:33:01 PM EDT
[#14]
Quote HistoryQuoted:
Could depend on your particular bolt brand, as I think some may use non Colt-spec. pins. I know on my pre-hybrid PSA bolts the firing pins were, shall we say, "suspect" so I replaced them with Rock River pins from 9mmAR.com. These are what I used:RR Firing pins Perfect fit and protrusion. I hope that is of assistance to you. |
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Posted: 3/25/2017 7:07:19 PM EDT
[#15]
Quote HistoryQuoted:
On that RR firing pin, I wonder if you would do me the favor of measuring the diameter of the pin at the very tip (protrusion end), just before it starts to round off, (anywhere within a millimeter of the tip) 
The protrusion end diameter comes in right at .058" on my digital caliper. |
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