Starting October 2026, Google Ads has updated its policy to permit US advertisers to run ads for select firearm accessories and gun parts. This change affects items that do not require a permit, do not convert semi-automatic weapons to automatic, and are not regulated at the state or federal level.
Examples of allowed items include tripods, bipods, scopes, and sights. This modification is significant for sporting goods and outdoor retailers previously unable to advertise such products. Advertisers are still advised to refer to Google’s full policy guidelines.

Read the official help page: Guns, gun parts, and related products.
This update was spotted by Hana Kobzová.