This is an AR-15 5.56 NATO firing pin made from 17-4 PH stainless steel in the H900 condition. It features a rounded tip with a mil-spec profile. The firing pin is one of the core internal parts of the bolt carrier group, and this one gives AR-15 owners a stainless steel option in place of a standard pin. What you are getting here is a single firing pin with a clear material and tip profile.
This firing pin is made from 17-4 PH stainless steel. The steel is in the H900 condition, which is the high hardness condition for 17-4 PH. That combination is what sets this pin apart from a standard firing pin. The stainless material also gives the part a clean, bright metal look.
The tip of this firing pin is rounded to a mil-spec profile. Keeping the tip in line with the mil-spec profile keeps the pin consistent with standard AR-15 5.56 NATO parts. The rounded tip is the working end of the firing pin. This profile makes the pin a direct match for a standard AR-15 bolt carrier group.
Follow safe handling and manufacturer instructions.
Ensure compliance with all applicable federal, state, and local laws.
Verify compatibility with your bolt carrier group before use.
Inspect all components before use.
Material: 17-4 PH stainless steel
Heat treatment: H900
Tip geometry: Rounded/peened tip to mil-spec profile (optimized for reliable primer strike)
Hardness: H900 condition — high hardness for 17-4 PH
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