This is a LBE Unlimited Buffer known as the AR15/M16, model ARBUFF-H3.
If you're looking to slow down your BCG to ensure proper cycling then choose from one of LBE's three fine Heavy Recoil Buffers (H1" H2" or H3). The correct buffer weight depends on type and length of barrel" gas port size" gas system length" as well as type of ammo used. LBE Unlimited is a leading producer of US Made gun parts and accessories.
Features:
LBE AR15/M16 H3 Heavy Carbine Length Recoil Buffer
Three Tungsten weights inside buffer body
MADE IN THE USA
