This is the product description text that will appear here.
Quantity
1
Description
The perfect base for any CRBN or HPA build - the G&G M4 Polymer Lower allows you to start a new build without needing to buy a whole base gun!
It interfaces perfectly with our CRBN Uppers, CRBN Gearbox, and AirTac Aluminum endcap. This ...
Reviews
4.8
32 ratings
5
4
3
2
1
My delivery arrived in a timely manner and as described. Great product...
L
Lance · 15 days ago
Perfect fit and light weight!
B
Buford · May 28, 2026
this lower is very light but sturdy. perfect for esg builds thank you airtac customs!