- Suitable for WA M4 Gas Blowback Rifle Series
- Increases Rate of Fire
- Bolt Carrier with Matt Silver finish
- Aluminum Spring Guide with Buffer Spring
- Compatible with both S Type Magazine or Normal Magazine ( must be switched to Dry Fire Mode before use )
NOTE: This product is design to operate WITHOUT Bolt-Stop Function, improper usage may cause damage.
This product was added to our catalog on Saturday 18 October, 2008.