The pmag 10/30 ar/m4 gen m3 is a polymer magazine for ar15/m4 compatible weapons.It was designed for users who reside in areas with magazine capacity restrictions but desire a standard 30-round magazine form.Built in-line with our other pmags, the pmag 10/30 provides the same next-gen impact and crush resistance, constant curve geometry, and long-life stainless-steel spring to ensure smooth feeding.Weve added a proprietary lock plate that reduces the maximum capacity to 10 rounds, and its permanently secured by an aluminum rivet.A lock plate tab that's clearly marked for capacity is also included.With the standard 30-round magazine form, the pmag 10/30 maintains mag pouch compatibility while complying with local restrictions.***not designed or intended to be modified in any way.***made in the usa.Caliber: 223 RemCapacity: 10rdModel: PMAGMaterial: PolymerModel Fit: AR-15Capacity: 10