RM4 ERG Serialized Metal Lower Receiver

This metal replacement slide catch assembly fits all M1911 MK Series and M1911A1 pistols that carry a 21 round magazine. On respective diagrams, this may appear as part 21, 407, or 336. If you are using a 14 round magazine and would like to start using the 21 round, double stack magazines, you'll need to purchase the double stack slide catch as well as the double stack magazine catch.

The KWA pistol hop up adjustment tool is a must-have for improving accuracy, especially when changing BB weights. Fits most KWA GBB pistols as well as the KMP9.

This ported polymer outer barrel fits the M93R II NS2 and appears on its diagram as part 3. This barrel comes with the U.S. federally mandated Blaze Orange tip