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CMC Trigger Pins – Anti-Walk Pin Kits for AR-15 & AR-10

Secure your rifle’s trigger group with CMC Trigger Pins, the industry standard for anti-walk pin kits. Whether you're using a drop-in CMC trigger or another mil-spec fire control group, these precision-fit trigger pins ensure reliable retention and prevent wear caused by pin rotation.

Made in the USA and built for durability, CMC’s anti-walk pin sets are trusted by builders, law enforcement, and 3-gun competitors alike.

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✅ Why Choose CMC Trigger Pins?

If you're running a drop-in trigger or any aftermarket system, your factory trigger pins may not provide adequate retention. That’s where CMC anti-walk pins come in:

• 🔧 Locks your trigger group in place – no rotation or pin walk

• 🔩 Machined steel construction – rugged and long-lasting

• 🧰 Includes screws, wrenches, and hardware

• ⚙️ Works with polymer and aluminum lowers

• 📏 Available in small and large pin sizes for AR-15 & AR-10

Perfect for high-volume shooting, tactical builds, and any application where trigger group stability is critical.

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📦 What’s Included in Each Kit?

• 2 hardened steel trigger pins
• 4 custom-fit Torx screws
• 2 flat nuts or retainer plates
• 1 installation wrench
• Instructions and thread locker (select kits)

Compatible with mil-spec receivers, M&P15, DPMS, PSA, Anderson, and more.

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📊 Compare CMC Trigger Pin Kits

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🛠️ Installation Tips

• Use a non-marring punch to align pins before tightening

• Apply a small amount of blue thread locker to screws

• Don’t overtighten—torque evenly and stop when snug

• Works with most drop-in and standard triggers

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❓ Frequently Asked Questions – CMC Trigger Pins

What do CMC trigger pins do?

CMC trigger pins are anti-walk pins that prevent your AR-15 or AR-10 trigger pins from moving under recoil. They ensure proper alignment and long-term durability.

Are they compatible with polymer lowers?

Yes. CMC trigger pins work with polymer and aluminum lowers. We recommend using thread locker for added retention in lightweight receivers.

Do I need these if I have a mil-spec trigger?

While not required, they’re a good upgrade to prevent pin wear, especially if you shoot suppressed, full-auto, or with a high round count.

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🔧 Works With:

• CMC Triggers (single and two-stage)
• Geissele, Rise Armament, ELF, Timney, and other drop-in triggers
• Mil-spec and forged lower receivers
• AR-15, M&P15, AR-10, LR-308

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🛒 Shop CMC Trigger Pins at Mounts Plus

Mounts Plus carries a complete selection of CMC Triggers and accessories, including anti-walk trigger pin kits for small and large pin receivers. Buy with confidence:

✅ Authentic CMC Products
✅ In-stock & ready to ship
✅ Competitive pricing
✅ Expert support from U.S.-based team