This comprehensive entry details the M203 underbarrel grenade launcher, its development from the XM148, and its operational history. It covers mechanical operation, sighting systems, ammunition, and comparisons with its successor, the M320. The information is presented with expert-level detail, drawing from historical context and technical specifications.
This review delves into the AAI 2nd Gen SPIW flechette rifles, prototypes from 1966-1967 designed to replace traditional rifles with high-velocity flechette ammunition. Despite impressive muzzle velocity (4,585 fps) and a unique primer-activated operating system, the program faced significant reliability and accuracy issues during trials, particularly with mass-produced ammunition. The 1967 model introduced improvements like a barrel radiator to address cook-off problems.
The Steyr ACR was a 1990s bullpup rifle developed for the US military's Advanced Combat Rifle program, aiming to improve hit probability. It uniquely fired lightweight flechette projectiles at 4800 fps, offering a flat trajectory and low recoil. Despite innovative features like a polymer case and a vertically sliding chamber, the program was canceled as no contender met the stringent hit probability improvement goals.
This video delves into the unique magazine designs for the US Project SPIW program, focusing on the Springfield 1964 and AAI XM19 experimental rifles. It highlights the challenges of high-capacity feeding for flechette rounds, showcasing Springfield's dual-stack 60-round magazine and AAI's innovative 50-round design with constant-force springs. The discussion underscores the program's goal of improving infantry hit probability through advanced ammunition and high rates of fire.
You've reached the end! 4 videos loaded.
Gun Laws by State
Read firearms regulations for all 50 states + D.C.
Find Gun Dealers
Search licensed FFL dealers near you.