Description
If you run your 1911 hard and want a small part you never have to think about again, the Wilson Combat Bullet Proof firing pin is exactly that kind of upgrade. It's built for shooters who put real rounds downrange and want the toughest replacement they can get for their .45 ACP. The whole point of the Bullet Proof line is durability, and this pin is no exception. Wilson's claim with these is simple: they outlast pretty much every other 1911 firing pin out there.
What makes it hold up is the construction. Each Bullet Proof firing pin is CNC machined from solid bar stock steel rather than being cast or injection molded, which means better wear resistance and a longer service life than the cheaper parts you'll find elsewhere. That solid-steel build also gives you a deeper, more consistent primer strike, something a lot of guys prefer over lighter titanium pins, especially in cold weather or when running ammo with harder imported primers.
Fit is straightforward. This is a drop-in part for both Series 70 and Series 80 style 1911 designs, and it's cut for the standard .45 ACP USGI/Colt diameter pin, which measures .093 inches. Here's the one thing worth doing before you order: confirm your pin diameter. Most standard .45 ACP USGI 1911s use the .093, but a lot of Springfield Armory pistols run .075, and current-production Wilson Combat 1911s along with many other brands use a smaller .065 (.38 Super/9mm) pin regardless of caliber. If you're not sure, just measure your existing pin or check the hole size in the breech face before adding this to your cart.
A quick heads-up on installation. While these are designed to drop in, 1911 tolerances vary between manufacturers, so a small amount of fitting can occasionally be needed. If you're not comfortable working on your own gun, it's worth having a gunsmith handle it. Wilson backs these parts with a lifetime factory warranty, so you're covered for the long haul.
Key Specifications
- Manufacturer: Wilson Combat
- Manufacturer Part Number: 416-45 / 41645
- Model: Bullet Proof
- Product Type: Firing Pin
- Caliber: .45 ACP
- Material: Bar Stock Steel (Stainless)
- Pin Diameter: .093 in (USGI/Colt standard)
- Fitment: Series 70 and Series 80 1911
- Construction: CNC Machined from Solid Billet
- UPC: 874218001889
Frequently Asked Questions
Will this firing pin fit my 1911?
It's designed as a drop-in part for both Series 70 and Series 80 style 1911 designs chambered in .45 ACP. The key is pin diameter: this one is cut for the standard .45 ACP USGI/Colt size of .093 inches. Before ordering, measure your existing pin or check the breech face hole, since some pistols like Springfields use .075 and current Wilson Combat guns use a smaller .065 pin.
Is it really a true drop-in or will it need fitting?
For most standard USGI-pattern .45 ACP 1911s it drops right in with no fuss. That said, 1911 tolerances vary from one manufacturer to the next, so occasionally a little minor fitting is needed. If you're not confident doing your own work, a gunsmith can install it in a few minutes.
Why choose the steel version over the titanium Bullet Proof pin?
The steel pin is all about durability and a strong, consistent primer strike. Many shooters prefer steel because it dents the primer deeper, which helps with reliability in cold weather or with hard imported primers. The titanium version trades some of that for reduced weight and faster lock time, so it really comes down to how you use the gun.
What is the firing pin made of?
It's CNC machined from solid bar stock steel rather than cast or injection molded. That gives it better wear resistance and a longer service life than a lot of factory or budget pins. It's the same Bullet Proof construction Wilson uses across their hard-use small parts.
Does it come with a warranty?
Yes. Wilson Combat backs their Bullet Proof parts with a lifetime factory warranty against defects and breakage. It's one of the reasons these have such a strong reputation as a buy-once part.





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