Looking to build your own PSAK-47? Get started with this furniture ready barrel assembly.The PSA GF5 AK-47 was designed from the ground up to create a new standard in AK-47 rifles, utilizing all new enhanced precision manufactured parts. Thoroughly tested in development, we tortured tested to 10,000 rounds to ensure a quality product. Not to be satisfied with just a good AK-47, we kept improving and now are proud to announce our PSAK-47 Gen5 Hammer Forged (GF5) rifle with a hammer-forged barrel, bolt, carrier, and front trunnion.The barrel is a proprietary blend of hammer-forged chrome-moly vanadium made by FN that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. This 13.7" barrel is magnetic particle inspected, to ensure quality and dependability and is pressed into a hammer forged 4340 AQ front trunnion to ensure the longevity AK-47's are known for. The front trunnion and bolt carrier are engraved with GF5 to designate the new GF5 hammer-forged model.