TacStar's magazine extensions are machined from super-strong chrome moly steel tubing and guaranteed for life. The seven shot extension allows for two extra rounds to the shotgun's capacity. All extensions include a new spring. Minimum barrel length is 18"
Fits: Remington 870/ 1100/ 11-87
WEIGHT: 0.6 lbs
MANUFACTURERS NAME:TACSTAR MANUFACTURER PART NO:TACSTAR1081169