Guarder CNC Aluminum Slide/Steel Barrel kit For MARUI G17 G34 Gen4 Standard Black Bolt Carrier It features a heat sink

It features a heat sink plate on the sides that adds an extra detail to its classic XM177 version design

1 Gas Blowback GBB Series

- WiFi frequency: 5150-5250MHz

and AUG Mode

- Material: ABS

Guarder CNC Aluminum Slide/Steel Barrel kit For MARUI G17 G34 Gen4 Standard Black Bolt Carrier It features a heat sinkGuarder's CNC Aluminum Slide Steel Barrel kit is built for durability and performance. Its 100% CNC processed slide with hard anodic coating and P processed surface finish on the outer barrel makes it a reliable kit for your Marui G17 Gen4 gas blowback pistol. Specification: SKU: GLK 222(BK) Weight: 140 g Colour: Black Material: Aluminum Steel Stainless Compatibility: MARUI G17 Gen4 GBB