Sig Air M18 GBB Magazine Specna Includes a 14mm negative SR16

Includes a 14mm negative SR16 style flash hider that attaches onto the mock suppressor

its output pressure is unaffected by changes to its input pressure

Level 2 Retention - Uses two features to hold handgun securely in place

A curved bottom magazine profile corrects for both planar and rotational insertion errors

For operators needing quick and reliable magazine access

Sig Air M18 GBB Magazine Specna Includes a 14mm negative SR16COMPATIBILITY Make sure you are prepared for whatever may come your way, and pick yourself up a spare 21 round magazine for your SIG SAUER M18 airsoft pistol; this magazine is the OEM design green gas model; choose magazines with black or tan base plate FACTORY REPLACEMENT 21 ROUND MAGAZINE This durable magazine has a capacity of 21 rounds; a high tension internal steel spring ensures rapid and smooth BB feeding from the magazine to the firing