The Brownells M4 Buttstock Wrench (Model 100254) is a specialized tool designed for installing and removing CAR-15/M4 collapsible buttstocks on AR-15 platform rifles. It provides a precise, purpose-built fit that prevents damage to the stock and receiver during adjustment or assembly.
Specifications
ManufacturerBrownells
Product TypeButtstock Wrench
Weight0.55 lb
Shipping & FFL
This item ships directly from the selling dealer to your door. No FFL transfer is
required for this product.
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