Overview Reviews Product Description These Mil-Spec AR-15 springs are constructed of high quality stainless steel, making them reliable and perfect for replacement or to keep as spares. Features: Mil-Spec High grade stainless steel Fits: AR-15 Product Videos Custom Field Product Reviews Write a Review Write a Review × MCS AR-15 Takedown Pin Spring/Pivot Pin Spring -100 Pcs Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *