Anti-Walk Trigger/Hammer Pins (Stainless, .154) with Hex Keys

Loose or drifting trigger pins are annoying at best and a reliability headache at worst. This stainless anti-walk pin set is built to help keep your hammer and trigger pins secure in your lower, with a simple retained design and included tools for installation.

Many shoppers also search for “anti-rotation” or “non-rotating” pins when they want retained trigger and hammer pins, so this page covers that same intent without the extra bulk.

Why you’ll want these

• Helps prevent hammer and trigger pins from walking out during use

• Stainless construction for durability and corrosion resistance

• Clean, straightforward hardware with included hex keys

• Backed by a lifetime warranty

Fitment and sizing

• Pin diameter: .154 (standard)

• Fits: AR 5.56/.223 and AR 7.62/.308 platforms that use .154 pins

Not sure what your lower takes? Some specialty receivers use different pin sizes, so verify your trigger/hammer pin diameter before ordering.

What’s included

• (2) stainless anti-walk pins

• (2) stainless screws (black oxide finish)

• (2) hex keys

Specs

• MPN: ARM136-SS (OpticsPlanet)

• UPC: 810048491162 (OpticsPlanet)

• Material: Stainless steel

• Country of origin: USA

Installation note

Thread locker is recommended for this retained pin style.

FAQ

Are these anti-walk or anti-rotation pins?

They are anti-walk pins with retained hardware. Many listings also group retained pin sets under anti-rotation/non-rotating terms because the goal is the same: keep pins from shifting during use.

What size are they?

Standard .154 trigger/hammer pins.

Will they fit AR-15 and AR 7.62/.308 platforms?

Yes, for AR 5.56/.223 and AR 7.62/.308 platforms that use .154 pins.

Do the hex keys come in the package?

Yes. Screws and hex keys are included.

Do I need thread locker?

It’s recommended for this set.

What’s the part number and UPC?

ARM136-SS and 810048491162.