Answer
Jun 07, 2026 - 06:29 AM
The crbn upper features perfected drop-in fitment on a G&G lower with a Maxx hopup. Drop-in fitment means installation is straightforward and does not require extra modification, making upgrades quick and hassle-free.
What kind of fitment does this have? AirTac Customs | GEN 5 HPA CRBN Upper
Status:
Open Jun 07, 2026 - 06:29 AM
Do you have the same question? Follow this Question
1answer
View More Product Details
AirTac Customs | GEN 5 HPA CRBN Upper
AirTac Customs - GEN 5 HPA CRBN Upper The HPA CRBN Uppers feature dual hopup windows, fiber-optic front and rear sights, perfect fitment, and CNC aluminum parts. All for the same price! All uppers are cross-compatible, so you can swap your tubes and parts between any of your CRBN uppers! ...
See More
View Details
View all AirTac Customs | GEN 5 HPA CRBN Upper Questions & Answers
