Which performs better, an M4 Gas Blowback Rifle of the Tippmann HPA Blowback? Watch this video made by the Black-ARC Airsoft Team... "Hello everyone, Today we have a some force on force action at Hollywood Sports Park in Bellflower California. The two teams are lead by Howard, running his WE GBBR m4, and Pixy, whos using his Tippmann M4.

Upgrade Part List:

Tippmann M4

• Incentive Designs hop-up unit
• Prometheus 6.03 TBB
• G&G Green Bucking
• Salient Arms International GRY Rail + Jailbrake

WE GBBR M4

• RA-Tech Aluminum Nozzle
• RA-Tech CNC Machined Steel Bolt Carrier
• RA Tech Complete Hopup and Inner Barrel Set
• PTS CMR Rail
• Strike Industries Dust cover, Forward Assist, Takedown pins, Cobra Fang Trigger Guard"