First Factory Barrel Supporter for Sig Sauer MCX Virtus SBR AEG

First Factory Barrel Supporter for Sig Sauer MCX Virtus SBR AEG Suitable For SIG Air MCX Series Airsoft AEG Rifle Designed for hold its outer barrel firmly in place. With this, you can greatly decrease barrel wobble and rattling, which could also help to increase accuracy of your rifle. This item also provides extra support when using tracers and suppressor units.