Savings. Shopping.Get Checkmate
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 G&G M4 Polymer Lower Includes:
G&G M4 Polymer Lower:
Lightweight polymer construction, perfect for competition builds
Fully assembled selector switch
Trigger guard
Mock bolt catch
Pivot pin
Compatible with:
AirTac CRBN Upper
AirTac x MAC CRBN Gearbox
AirTac Aluminum Endcap
All V2 accessories
Save on G&G M4 Polymer Lower with a AirTac Customs coupon
Checkmate is a savings app with over one million users that have saved $$$ on brands like AirTac Customs.
The Checkmate extension automatically applies AirTac Customs discount codes, AirTac Customs coupons and more to give you discounts on products like G&G M4 Polymer Lower.
Checkmate users have also been loving these products from AirTac Customs.
Users have been saving products like this to their collections.
