G&P 83mm Outer Barrel Extension ( 16M / CW ) Inner Barrel the manual winding system is

the manual winding system is built in front of the magazine for fast and easy operation in the mid-game

1 x 30 Rd Metal Magazine

The Viper stock integrates features sought by military professionals and firearms enthusiasts around the world

- for VSR-10 Series FN SPR A5M

The magazine is designed with recessed panels for better grip and smooth magazine well guides that eliminates the chance of snagging when the magazine is withdrawn from or reinserted into pouches

G&P 83mm Outer Barrel Extension ( 16M / CW ) Inner Barrel the manual winding system isG&P 83mm Outer Barrel Extension ( 16M CW ) ONLY Fit For Outer Barrel Base (16M) (BRL068A~BRL068E) Also, Fit For Marui MWS 42mm Outer Barrel Base (16M) (MWS001) 14mm Clockwise