The AR platform is arguably the most modular long gun in existence. There is no end to the “do-dads” and upgrades available, but there’s often a gap between buying a part and actually having the confidence to install it.
Many owners are hesitant to take a punch and hammer to their “baby.” This post is a quick AAR on replacing a bolt catch—specifically, the Seekins Precision Enhanced Bolt Catch. It offers a larger paddle for better manipulation and a textured pattern for positive control. If it works as well as (or better than) OEM, there’s no harm in it looking better, too.
The Tool List
You don’t need a full armorer’s bench for this. You just need the right basics:
- Two 3/32″ punches
- A small hammer (brass or nylon preferred)
- Non-marring tape (Painter’s tape works well)
The Process
1. Prep the Workspace Secure your lower in a vice block. I highly suggest a layer or two of tape around the bolt catch “ears” on the receiver. One slipped punch can mar a finish instantly. Protect the gear.
2. The Initial Drive Using your 3/32″ punch, slowly tap the roll pin out.
- Pro Tip: Do not drive the pin all the way out of the rear ear. Tap it just far enough so the old catch can be removed. This saves you the headache of trying to restart a roll pin later.
3. Capture the Internals Remove the old catch, but be careful to retain the bolt catch spring and plunger. If these fly across the garage, your “Tactical Preschool” session just became a search-and-rescue mission.
4. The “Second Punch” Trick This is the key to a stress-free install. Put your spring and plunger back into the receiver. Set the new Seekins catch in place, and temporarily secure it by pushing your second 3/32″ punch through from the opposite side. This holds everything in alignment while your hands are busy with the hammer.
5. Seat the Pin Now, simply tap the original roll pin back into place. As the pin moves forward, it will push your “alignment punch” out the other side.
Voila. You’ve upgraded your ergonomics without a single scratch on the lower.
The Takeaway
Maintenance and minor armoring are part of “The Standard.” Knowing how your weapon functions—and how to repair it—is just as important as knowing how to shoot it. Don’t be afraid of the punches; just be methodical.
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