Army R31 25rds Gas Magazine For R Series 1911 GBBP
 
Material: Alloy , plastic
30 rounds loading capacity
Compatible with 8KG (134A) Gas and 12KG (Green Gas) Gas
Suitable for 6mm airsoft plastic BBs only
Replace original magazine
Alloy housing construction
Comes with plastic Large Magazine Base
Compatible Army 1911 R Series GBBP