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GAS BLOCK ROLL PIN PUNCH KIT Reviews & Ratings

The Brownells Gas Block Roll Pin Punch Kit allows easier installation and removal of the 5/64” gas tube roll pin on the AR-15/AR-308 firearms system. The roll pin holder punch is blued while the starter and standard punch are unfinished.

This set includes three punches: 5/64” roll pin starter punch, 5/64” roll pin punch, 5/64” roll pin holder

See all of our AR15s and AR15 parts here.

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4 Stars

2 Stars

Reviews Summary

Overall, the GAS BLOCK ROLL PIN PUNCH KIT makes gunsmithing tasks significantly easier, providing essential alignment and punching tools. However, some customers experienced issues with durability and compatibility of the punches, with a notable incident of breakage after limited use, leading to mixed sentiments on value and effectiveness.

What Reviewers Are Saying

Ease of Use

60%

Many reviewers emphasize how the punch kit simplifies gas block installation, making a previously tedious job much more manageable. The alignment tool and various punch sizes are particularly praised, contributing to a smoother gunsmithing experience.

Product Durability

20%

Some users reported issues with durability, stating that tools broke after only a few uses. This raises concerns about the long-term reliability of the kit, impacting overall user trust and satisfaction.

Tool Compatibility

40%

A few reviews mentioned compatibility problems with specific gas blocks, with some punches not fitting as expected. Users were creative in adapting to these challenges, but these issues detract from the overall utility of the kit.

Value for Money

30%

While several users found the kit to be a solid investment that provides essential tools for gunsmithing tasks, the durability issues raised questions about its overall value, making it a mixed topic among reviewers.

Quality of Tools

50%

The quality of the punches and the set itself received both praise for effectiveness and criticism for certain design oversights. Users appreciate effective tools but expect consistent quality across all components.

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AR front gas block pin remove/install kit.

Works great, has everything needed!

by GEORGE S YOUNG on November 23, 2025

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Gas roll on punch set

Made the job super easy. Alignment tool, starter punch, drive punch. Would recommend for anyone doing gunsmithing on the AR platform

Would you recommend this? Yes, I would recommend to a friend

by James M. Wood on September 18, 2024

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Roll pins! Ughrr

This job I never look forward to. It can be a pain, but with these tools it became a lot easier. “Right tools for the right job” after running a gas block pin it was time to get the right equipt. Brownells came through as usual. Very good all the way around. If you build, you know!

by James Robertson on November 14, 2023

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Punch kit works.

Just finished using this punch kit on the 4th gas block job. Used on a Larue gas block to change a bent gas tube from a bad jam. Short punch pushes spring pin all the way out because diameter is smaller than longer seating punch. Starter punch starts new spring pin in half way. Long punch is slightly bigger in diameter to seat new spring pin flush. Kit works great!

Only starter punch & pin holder useful

The starter punch and pin holder worked ok but the third punch could not be used with my gas block - the diameter was too large. I was able to make do using only the tools that fit, though.

Breakable

Snapped after a few uses