1000 Rounds Later: New Polish GROM AK Ammo Review

Published on April 27, 2025
Duration: 29:20

This review of GROM 7.62x39mm ammunition from Poland, imported by Atlantic Firearms, details its performance over 1000 rounds. The ammunition is remanufactured surplus with lead cores, lacquered steel cases, and corrosive Berdan primers. While it proved reliable in standard 16-inch AKM platforms like the WASR-10 and Egyptian Maadi, it exhibited significant issues including failures to fire and stuck cases in short-barreled AKs such as the Riley Defense Krink. The ammo is noted as dirty-burning and corrosive, requiring immediate cleaning after use. Despite its drawbacks, it's considered a viable budget option for compatible firearms.

Quick Summary

GROM 7.62x39mm ammunition, imported by Atlantic Firearms, is a budget-friendly option at ~$0.43/round. It features a 123gr FMJ lead core, lacquered steel case, and corrosive Berdan primers. While reliable in standard 16-inch AKM rifles, it caused malfunctions in short-barreled AKs, highlighting platform-specific performance differences. Immediate cleaning is essential due to its corrosive nature.

Chapters

  1. 00:00Introduction to GROM Ammunition
  2. 02:37Testing Methodology and Initial Concerns
  3. 04:16Short Barrel Performance and Malfunctions
  4. 09:25Corrosion Inspection
  5. 11:22Full-Length Rifle Testing (WASR-10 & Maadi)
  6. 13:37Rapid Fire and High-Volume Testing
  7. 18:08Final Verdict and Pricing

Frequently Asked Questions

What are the key characteristics of GROM 7.62x39mm ammunition?

GROM 7.62x39mm ammunition from Poland features a 123-grain Full Metal Jacket (FMJ) lead core bullet, a lacquered steel case, and Berdan primers. It is confirmed to be corrosive and is remanufactured surplus with replaced penetrator cores to meet import regulations.

How did GROM 7.62x39mm ammunition perform in different AK platforms?

In 16-inch AKM platforms like the WASR-10 and Egyptian Maadi, GROM ammo proved reliable. However, in short-barreled AKs such as the Riley Defense Krink, it caused multiple failures to fire and stuck cases, indicating potential platform incompatibility.

Is GROM 7.62x39mm ammunition corrosive?

Yes, GROM 7.62x39mm ammunition uses Berdan primers and is confirmed to be corrosive. Shooters are advised to clean their firearms immediately after use to prevent rust and pitting.

What is the approximate cost of GROM 7.62x39mm ammunition?

GROM 7.62x39mm ammunition is considered a budget option, with an approximate price of $0.43 per round. This makes it an attractive choice for those looking for affordable 7.62x39mm ammunition for compatible firearms.

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