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    Firing pins keep breaking on my S&W AR15-22's

    I own two S&W AR15-22's, and the firing pins keep breaking on them. I have broken six firing pins so far in 2 years -I never dry fire, -I don't oil the firing pin assembly -CCI, Federal, Browning & Remington ammo. -No Mini-mags -The firing pins always break at the same place. I shoot about...
  2. L

    M&P 15-22

    You had asked how strong the polymer is. I have an AR15-22 that i have put over 30,000 rounds through, between both practice and competition. The only two parts that have broken are the extractor and the firing pin. They are extremely tough.
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