This video demonstrates how to convert an AR-15 platform into a P90-style rifle using the AR57 ULT upper receiver. It highlights the 5.7x28mm caliber, the 50-round P90 magazine compatibility, and the benefits of bottom ejection for shooter comfort. The AR57's direct blowback operation and simple disassembly are also covered, showcasing its ease of maintenance and ambidextrous features.
You've reached the end! 1 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.
