Upgrades for M4, AR15, SR25, AK, and SCAR based systems. (R)=ITEM WILL NOT BE SHIPPED OUT OF UNITED STATES, NO EXCEPTIONS Optics / Mounts Magazines and Accessories Pistol Accessories Complete Upper Receiver Groups M4 / AR Upper Components, Barrels, and Parts M4 / AR Lower Reciver Parts, and Triggers M4 / AR Buttstocks, and Accessories M4 / AR Grips and Accessories Back Up Iron Sights (BUIS) M-LOK Accessories Picatinny Rail, and Geiselle SMR 416 Accessories Weapon Maintenance Knives, Multi-Tools, Less-Lethal Tools Breaching, Restraints Items marked "(R)" No Export, No Paypal, NO EXCEPTIONS Contact Us: Email: support@optactical.com Shop Phone: 919-818-3649 Curbside Pick Up Phone: 919-594-1579 Address: 2533 Atlantic Ave, Suite 103, Raleigh, NC 27604 Phone Hours: Monday-Friday, 8am - 4pm Eastern Time (ET) Curbside Pick Up Hours: Monday-Friday, 10am - 3pm Online Sales Ship As Per Normal Walk-In Store Closed For Renovations, Curbside Pick Up Available Shipping: Online Orders Normally Ship in 1-2 Business Days, Expect Slight Delays During Sale Periods. $7.95 Standard Shipping to any US Address! (CONUS) International And APO/FPO Shipping Is Temporarily Suspended And Will Be Back Soon UPS Shipping Options: Orders must be placed by NOON Eastern Time (ET) to ensure they go out the same day. Orders are not processed on the weekends. Verified Service Disabled Veteran-Owned Small Business, we accept GPC Cards and Government Contracts CAGE: 5MU18 / DUNS: 361562593 / SDVOSB: 253753