r/AR9↗
ARs, but with pistol cartridges
A place to discuss variants of the AR series that are chambered for pistol cartridges, including 9mm, .40S&W, .45ACP, 10mm, and 22LR.
33k subscribers194 posts / mo in Sep 2026165 authors / mosince 2016
r/AR9 has 33k members (+21% over the last 12 months). It gets about 194 posts a month from 165 people. Top topics: AK Guns, SMGs and Suppressors/Silencers.
When to post on r/AR9
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How r/AR9 has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/AR9
Top topics
Share of the subreddit's posts
- AK Guns0.2%
- SMGs0.1%
- Suppressors/Silencers<0.1%
- PC Builds<0.1%
- First Build Experience<0.1%
Brands people mention
Most-mentioned brands and sites, last 12 months
- C3Junkie LLC
- AR15Discounts
- Palmetto State Armory
- Primary Arms
- CMMG
Everything else about r/AR9
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research