PRODUCT DETAILS These Amend2 10 round magazines are made from a rugged and lightweight polymer material that is resistant to cracks, warping, and fall damage. This 6.5 Grendel / 6mm arc /.22 arc / 338 Arc mag will fit your AR-15 pattern, without issue. Impact-resistant polymer body Orange colored follower Heavy-duty stainless steel spring, resistant to corrosion and warping over time Holds cerakote well American-made SPECIFICATIONS More Information Condition New Manufacturer Amend2 Model 65GRENDBLK1 Caliber 6.5 Grendel Model Fit AR-15 Capacity 10 {{widget type="Magento\Cms\Block\Widget\Block" template="widget/static_block/default.phtml" block_id="42"}}