Garand Thumb revisits the PSA AK-74, addressing previous reliability issues like firing pin breakage and trunnion wear. PSA implemented engineering fixes, including a chamfered trunnion and updated firing pin channel, resolving these problems. The revised rifle demonstrated excellent durability over 5,000 rounds, with bolt wear comparable to high-end builds. Outfitted with Zenitco furniture, the rifle is now considered a highly recommended purchase at its $1,000 price point.
This review investigates concerns about the Palmetto State Armory PSAK-74's locking lugs and firing pin. While trunnion lug wear is found to be within normal AK parameters, a significant issue of primers being punctured by the firing pin is identified, causing light primer strikes and potential reliability problems. The rifle is deemed a 'range toy' until these issues are resolved by PSA.
This video addresses common wear patterns on the bolt and trunnion of an AK-pattern rifle, specifically identifying it as a normal "marrying process" during the initial 1,000 rounds. The presenter shows visual examples of this wear at various round counts (100, 250, 500, 750, 1,000, and 5,000) to demonstrate that it's a sign of the rifle becoming smoother and more reliable, not a defect. The video also touches on headspacing in relation to AK rifles and mentions Palmetto State Armory's lifetime warranty.
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