** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The AR-15 design has again and ...

The PDW-R was developed as a Personal Defense Weapon for CQB, but it fires the 5.56x45mm cartridge, which is commonly found in the M16 and M4. It may not be as accurate as rifles, but it can still ...