VFC Sig Sauer ProForce M18/P320 XCarry Airsoft Magazine Black (Green Gas) Sniper Rifle Inner Barrels Fits most M4 AEG receivers

Fits most M4 AEG receivers in the market

High Capacity magazine accommodate 450 Rounds of 6mm plastic pellet

Lightweight with authentic markings

Flip-up lens covers won't obstruct your vision

VFC Sig Sauer ProForce M18/P320 XCarry Airsoft Magazine Black (Green Gas) Sniper Rifle Inner Barrels Fits most M4 AEG receiversThis magazine is compatible with the SIG AIR Proforce P320 M17 M18 and the P320 X Carry. This is a Green Gas magazine. Compatibility: SIG AIR Proforce P320 M17 Gas Airsoft Pistols SIG AIR Proforce P320 M18 Gas Airsoft Pistols SIG AIR Proforce P320 X Carry Gas Airsoft Pistols Capacity: 21 Rounds Power Source: Green Gas Top Gas Includes: x1 SIG Sauer M18 P320 XCarry Airsoft Green Gas Magazine (21 rounds) Black (by SIG AIR & VFC)