Steel Tokyo Marui Saiga 12K Outer Barrel Material: 303 stainless steel main

Material: 303 stainless steel main body

Improved O ring cutout for openbolt/M249 users

When you screw the magazine button in be aware that depending on which way the catch is inserted to the lower will effect the magazine catch protruding

-Regular strength spring is 4 pounds and 8 ounces at 8 inches of travel which is just about identical to the stock Vipertech buffer spring

this is only the part of the piston that is threaded 14mm- on each end

Steel Tokyo Marui Saiga 12K Outer Barrel Material: 303 stainless steel mainMake your Saiga feel more sturdy and realistic with a steel outer barrel. 4140 Steel. Black nitride for scratch resistance. Compatible with the stock muzzle cap.