Compatibility: This Magpul MOE Buttstock is compatible with AR15/M16 carbines using MilSpec sized receiver extension tubes

Attachable Picatinny accessory rail plate (optional)

Strong and yet lightweight Fiber reinforced molded polymer housing

Gearbox Type: Version 2

Lancer Tactical 6.02 x 113mm Inner Barrel patches Compatibility: This Magpul MOE ButtstockSPECIFICATIONS Manufacturer: Lancer Tactical Inner Diameter: 6. 02mm Length: 113mm Weight: 24g Color: Silver Compatibility: Compatible with Tokyo Marui, KJW, and Other Compatible GBB Airsoft Pistols FEATURES Increased range accuracy High polish internal bore Tight air seal design Package Includes: 1x Inner barrel