This video thoroughly explains the critical differences between cast, billet, and forged AK trunnions. Cast trunnions are identified as weak due to porosity and lack of grain structure, often used to cut costs in budget AKs. Billet trunnions, machined from solid steel, offer better strength, while forged trunnions are the strongest due to aligned grain structure, representing the military standard.
Palmetto State Armory's KS47, releasing April 4th, offers 7.62x39mm capability in an AR-style platform with AK magazine compatibility for under $1,000. The Gen 2 AK47, starting at $649, is 100% American-made, currently featuring billet trunnions and bolts with plans for forged components. Both models demonstrated manageable recoil and smooth actions during testing at Big 3 East.
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