CRIMSON NPAS - VFC Spec Include 1.5mm Hex Key?:Yes + £1 while still offering broad compatibility

while still offering broad compatibility with popular red dot sights

the BBA Advanced stock includes a QD Sling Swivel as standard which can be swapped to either side of the stock in only a few minutes

Production run 2 – 22/06/26

but we recommend at least

Purple friction-reducing coating for smoother cycling

CRIMSON NPAS - VFC Spec Include 1.5mm Hex Key?:Yes + £1 while still offering broad compatibilitySave 1. 50 off a CRIMSON Patch when purchased together! Our 1j focused NPAS for a huge amount of VFC replicas is finally here! We've found from testing in a variety of VFCs that shot to shot consistency greatly improves when the CRIMSON NPAS is set to around 1j (More details below!). The full list of compatible VFC APFG Maruyama replicas the CRIMSON works with is below: VFC URGI GBBR (all variants) VFC 416 GBBR (all variants) VFC BCM GBBR (all