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Old February 17, 2012, 08:54 PM   #1
boostedtt91
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Join Date: January 28, 2011
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AR-15 .223 vs 7.62x39 Firing Pin

Since im going to a gun show tomorrow i wanted to pick up an extra firing pin for my Bushmaster 7.62x39 AR15. Is there any differences in the firing pin between a .223/5.56 & 7.62x39? Pretty much all firing pins for the 7.62 caliber AR's i have seen for sale are considered "modified" to shoot harder primers with steel cased ammo, but can't seem to find the answer im looking for.
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Old February 20, 2012, 07:27 AM   #2
CowTowner
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The link below shows bolt carrier parts. The 7.62x39mm firing pin different according to Model 1 Sales.

http://model1sales.com/index.cfm?fus...ategory_id=421
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Old February 20, 2012, 07:12 PM   #3
boostedtt91
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the model one firing pins they sell are basically modified firing pins from factory firing pins to help ignite stronger primers which are usually in steel cased ammo.
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