Does the ATF's New Rule on Stabilizing Braces Spell the End of Micro Conversion Kits?
This video from Washington Gun Law, presented by William Kirk, explains how the ATF's Rule 2021R-08 on stabilizing braces will effectively end the use of Micro Conversion Kits (MCKs). The rule reclassifies firearms with braces as Short-Barreled Rifles (SBRs) if they do not meet specific weight and length criteria, requiring registration or forfeiture.













