This AR-15 M4 Stock Lock Pin is all steel construction compatible with most USGI M4, B5, Sopmod, VLTOR, BCM, Blackhawk and LWRC Stocks. Stock Lock Pin Makes stock none adjustable. This aftermarket M4 Stock Lock Pin is designed for featureless conversions of M4 and similar style buttstocks into the locked position without modification or marring of the existing components.
Note : This product has not been approved for legal compliance by any state or local firearms regulatory authority. Please consult with a competent firearms attorney before attempting to make your rifle stock compliant with state or local assault weapons ban laws.
