This video details an uncommon firearm malfunction where the safety locked in the fire position due to excessive fouling from frangible ammunition. Approximately 1,000 rounds of frangible ammo, combined with suppressor use, led to a buildup of powder residue on the safety detent, preventing its movement. The issue was resolved by cleaning the detent and reassembling the firearm.
This review from Moondog 2A compares the fouling left by Aguila Super Extra HV .22 LR ammunition against CCI Mini-Mag and Remington Golden Bullet. The test protocol involved firing 25 rounds from a Walther P22, followed by a dry patch, brushing, and thorough cleaning. Aguila Super Extra HV was found to be dirtier than CCI Mini-Mag but cleaner than Remington Golden Bullet, with physical debris analysis suggesting buffer materials in Aguila's gunpowder.
This video compares the fouling produced by various bulk 22LR ammunition types. The presenter fired 50 rounds of each brand through a Walther P22, cleaning the barrel thoroughly between each batch using Hoppe's bore cleaning solution and 20 cleaning strips. The Remington Thunderbolt and Golden Bullets were found to be the dirtiest, while CCI Mini Mags produced the cleanest results. Federal and Winchester Super X were also noted as relatively clean.
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