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The EGW oversized firing pin stop addresses one of the most overlooked but impactful upgrades for a 1911. This small component sits at the rear of the slide and directly influences how your pistol cycles, how your extractor performs, and ultimately how your gun handles recoil. For a .45 ACP Series 70 pistol, this part delivers tangible improvements that compound over thousands of rounds.
What makes this stop different from factory pieces comes down to intentional engineering. EGW machines it wider than standard GI specs, which prevents the extractor from rotating out of position during firing and recoil cycles. That rotating motion, called extractor clocking, is a common issue in many factory 1911s and causes inconsistent case ejection and accelerated wear. The added thickness removes lateral movement inside the slide, keeping the firing pin system stable and the extractor correctly positioned shot after shot.
Every detail matters when you're working with a precision centerfire pistol. The inside corners are radiused to prevent stress cracking, extending the service life of the part over thousands of rounds. The rear corner has a .015-inch radius that breaks the sharp edge while maintaining a square profile, which slows slide opening just enough to reduce muzzle flip and felt recoil. This square-bottom design is based on the original John Browning specification and works by increasing dwell time, the period the slide stays locked during the firing event. When you feel less jump, you can get your sights back on target faster.
Built from stainless steel and heat-treated to 48 Rc hardness, this part resists wear and deformation that softer factory materials succumb to. Unlike cast or MIM factory parts that crack or wear down, this machined piece maintains its profile through competition rounds and daily carry demands alike.
This is not a drop-in part, and EGW is transparent about that. The oversized dimensions require fitting to your specific slide for the benefits to materialize. Most owners report fitting takes 20 to 30 minutes using sandpaper and basic tools. You'll lightly sand the sides until it slips in snug, then may chamfer the bottom edge where it meets the hammer, depending on your setup. A quality extractor should be part of the package when you do this work, since you'll want to set its tension properly at the same time.
Standard factory firing pin stops are made to looser tolerances and use softer materials that allow lateral movement and eventual cracking. EGW oversized stops are wider and thicker, providing extra material for custom fitting to eliminate side-to-side movement in the slide. This tighter fit prevents extractor clocking and keeps the extractor in proper alignment through every cycle, resulting in more reliable extraction.
No, this part is sized specifically for Series 70 pistols. Series 70 firing pin stops only work in Series 70 guns because the internal geometry of the slide differs between the two generations. You'll need to verify your pistol's series before purchasing.
Most owners spend 20 to 30 minutes fitting. You'll sand the sides with sandpaper until it slips into the slide with a snug fit, then may chamfer the bottom edge where it contacts the hammer. This is straightforward work if you're comfortable doing basic gun maintenance, but you can have a gunsmith handle it if you prefer. The square bottom edge doesn't need rounding, which simplifies the process compared to rounded-bottom stops.
The square-bottom design increases dwell time by slowing initial slide opening, which noticeably reduces felt recoil and muzzle flip compared to factory parts. This allows faster follow-up shots and better sight picture recovery. The effect is most noticeable when running heavy recoil loads, but you'll feel it with standard ammo too.
| UPC | 841370100835 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 10361 |
| Model |
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