How to Choose an AK Caliber: 7.62x39 vs. 5.45 vs. 5.56

Thinking about picking up an AK, but not sure which caliber to choose? In this video, we’re at the WBP factory in Poland to get real answers from the people building these rifles. From 7.62x39 to 5.45x39 and even 5.56/.223, we dig into the pros and cons of each option with WBP CEO Stefan—covering everything from accuracy, reliability, barrel length, suppression, and of course, ammo availability.
There’s no one-size-fits-all answer here. The best caliber for you depends on your needs, your budget, and maybe even your zip code. Are you a purist who wants the classic AK experience? Do you care more about accuracy or cheap ammo? Are you planning a short-barreled suppressed build?
We hit all of those questions in the video, and Stefan gives some surprising insights—especially when it comes to accuracy and the ideal setup for a first-time buyer. You’ll also get a look at WBP’s Mini Jack, Midi Jack, and standard Jack rifles, and find out which configuration might be the best fit for your setup.
Watch the full video to see side-by-side comparisons, hands-on discussion with WBP, and our recommendation for the best AK caliber depending on your goals.
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Owner, Neutral Ground Gun Co. NRA/Louisiana State Police certified concealed weapons instructor, 2012-present Maxim Magazine's MAXIMum Warrior, 2011 TFBTV Executive Producer Champion, Key West Cinco De Mayo Taco Eating Competition Lawyer Instagram: gunshorts Twitter: @jjreeves
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He mentions that the twist raste on the 7.62x39 could be made better for better accuracy. If they did that I would be willing to get another AK. If you can make it better why not do so.
7.62x39 is the only choice. If I want to shoot 5.56, I will go with the superior choice: AR15. Thus Making 5.45 is pointless.