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RetroArms CNC M4 / AR15 Magazine Catch Type B is a durable magazine catch for airsoft guns. It is made of aircraft-grade EN AW 7075 T651 aluminium using precision CNC machining, consists of two parts connected by a stainless steel screw. The enlarged release button makes the catch easier to locate and press, while the double chamfer helps guide the magazine into the magwell with less resistance.

25+ years of proven equipment and accessories.
RetroArms CNC magazine catch is designed for most M4 / AR15 airsoft receivers, excluding special designs such as PTW and NGRS rifles. The catch body is made of aircraft-grade EN AW 7075 T651 aluminium and then finished with coloured anodizing. The catch consists of two parts connected by a stainless steel screw tightened with a TORX T20 key. The spring is not included and the original spring from the standard magazine catch can be used. The catch itself is black, while the enlarged release section is available in multiple colour variants.
The catch is made of aircraft-grade EN AW 7075 T651 aluminium, offering high strength while keeping the weight low.
The catch is manufactured from a solid aluminium block using a CNC machining centre, allowing precise production of its individual parts.
The double chamfer of the catch reduces resistance when inserting the magazine into the magwell and makes insertion easier.
The larger release section is easier to locate with your finger, making it easier to press the catch when changing magazines.
The catch itself is black, while the release button is available in multiple colour variants with an anodized finish.
| Variants | Type B |
| Body/receiver material | Metal |