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If you've ever run a drop-in trigger on your AR and noticed the pins slowly creeping out over a range session, you already know the problem these pins solve. Standard mil-spec trigger and hammer pins rely on spring tension to stay put. Drop-in cassette triggers don't always generate that same tension, which means pin walk becomes a real concern the more rounds you put through the gun. Elftmann's Anti-Rotational Anti-Walk Pins are built specifically to put that problem to rest for good.
The pins lock into the receiver using a mechanical retention system rather than depending on spring pressure, so they genuinely cannot migrate out during use. The non-rotating design is just as important as the anti-walk feature: when a pin spins in place, it gradually wears out the pin holes in your lower receiver. Over thousands of rounds, that wear adds up. By keeping the pin stationary and letting the hammer and trigger rotate on it the way they're supposed to, these pins take care of your receiver's long-term health too.
Construction is hardened A2 tool steel with a black oxide finish, which gives you corrosion resistance alongside the durability to handle the repeated impact of high-volume shooting. The included side plates aren't just cosmetic either; they sit against the lower receiver and protect the finish from scratching during installation and normal use. It's a small detail, but it shows Elftmann thought the whole thing through rather than just solving the pin retention piece.
These pins are compatible with mil-spec AR-15, AR-10, and M16 platform lowers and work with virtually any aftermarket trigger on the market. Installation doesn't require any specialized tools and the pins can go in from either side and in either direction, which makes them genuinely easy to deal with during a build or trigger swap. Elftmann backs all of their products with a lifetime guarantee, and these pins are made right here in the USA.
Standard mil-spec trigger and hammer pins rely on spring tension from the hammer spring to stay in position. Drop-in cassette triggers don't always generate that consistent inward pressure on the pins, which leaves them free to gradually migrate outward under the vibration and impact of shooting. Over time this can cause the trigger group to shift or even fail during a range session.
Yes, that's actually the most common reason people reach for them. Drop-in triggers are the scenario where pin walk shows up most often, and Elftmann's anti-walk pins are specifically well-suited to that setup. They're compatible with virtually any mil-spec AR-15 or AR-10 lower and work alongside any aftermarket trigger on the market.
When a trigger or hammer pin rotates in place, the outer surface of the pin grinds against the walls of the pin holes in your lower receiver. Over a high round count, this gradually wears out those holes and can lead to slop in the trigger assembly. By keeping the pins stationary and letting the hammer and trigger rotate on them properly, you protect the receiver itself from long-term wear.
No specialized tools are required. The pins can be installed from either side and in either direction, which makes them straightforward to work with on any standard lower. Basic hand tools are all you need to get them seated properly.
The side plates sit against the exterior of the lower receiver on both sides of the pin holes. They protect the receiver's finish from scratching during installation and also add an additional layer of retention by covering the pin heads. It's a practical addition that also keeps your lower looking clean.
These pins are designed to fit any standard mil-spec lower receiver, which covers the overwhelming majority of AR-15 and AR-10 builds on the market. As long as your lower uses standard mil-spec trigger and hammer pin dimensions, these will fit and function correctly.
| UPC | 640522126972 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | PINS |
| Color | AR TRIGGER PINS SET |
| Length | 4.4000 |
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