SRU SARB15 M4 AIRSOFT GBB EXTENDED HANDGUARD - STANDARD Holster making this quite unique among

making this quite unique among the Umarex (Elite Force) H&K family of Airsoft replicas with the exception of the HK53

We cannot stop people from using Top Gas

Once you see the green gas leak out from the magazine valve

Rate of fire: about 1000rpm

SRU SARB15 M4 AIRSOFT GBB EXTENDED HANDGUARD - STANDARD Holster making this quite unique amongHandguard Extension for Installed Rifle on SARB 15 For AR M4s with Handguard Rail Widths less than 38mm Internally Wide Enough for Integral Suppressors and Muzzle Devices Extended M LOK Rail Furniture Space for Accessories Extended Grip Space for Support Hand Control Steel Construct Black Finish