AR-15 Overstock precision AR-15 rails and handguards provide a dependable option for your AR attachment needs. AR-15 Overstock manufactures and retails a wide selection of AR-15 rails in a variety of lengths and attachment configurations including keymod, M-LOK, and picatinny options. The quality of our AR-15 rails are backed by a Lifetime Warranty ? if any AR-15 Overstock rail or handguard is defective, we will repair or replace it at no charge. Get your AR-15 rails at AR-15 Overstock today and save with free shipping on eligible orders!