Quick Tip: Picatinny vs Weaver Rail - What's the Diff?
This video from Brownells explains the key differences between Picatinny and Weaver firearm accessory mounting rails. Firearm Support Technician Caleb Savant details their origins, with Weaver originating from Weaver scope rings and Picatinny from the Picatinny Arsenal. He highlights that while they appear similar, Picatinny has precise dimensions and tolerances, whereas Weaver is less strict. The video clarifies that accessories designed for Picatinny may not fit Weaver, but most Weaver accessories will fit Picatinny. For the most secure fit, matching accessories to their corresponding rail types is recommended.








