All in one dust cover, open bolt indicator, safety flag for the AR-15/M-16 rifle. This product is designed to keep the upper receiver clean from damaging dirt, dust and grit, while the flag indicates an open bolt and a safe weapon. Yellow, heat resistant durable material allows the cover to retain a tight fit in the receiver. Made in the U.S.A. We just got word last week from the National Rifle Association. They gave their approval of DOS in all of their rifle matches.It falls under rule 3.2.1; Empty Chamber Indicator
*Current discounts and holiday promotions are not valid on previous purchases. Creedmoor Sports reserves the right to cancel or modify any promotion at any time. *This is a limited time offer for Free Shipping for orders over $99 dollars. Promo code FREEDOM must be used at checkout. Some exclusions apply (ammunition, tumbler media, portable air gun ranges, targets, kneeling roll pellets, cleaning rods, and posters). Drop shipped items (all Giraud and Gracey products, Big Shot Tumblers) exempt. Creedmoor Sports Inc. reserves the right to modify or cancel the offer at any time. Coupons cannot be combined with other coupon codes. Free Shipping valid for 48 contiguous states only. Offer valid through 7/5/22 11:59 am central. Not valid on previous purchases.