New in box Daniel Defense DDM4 300S 10.3" in 300Blackout! Complete with charging handle and bolt carrier group! Ships direct where legal and to the billing address only.

The DDM4 300S AR15 style Upper Receiver Group is designed for those demanding a high-performance, short-barrel rifle chambered in the versatile 300 Blackout cartridge. Built around a 10.3 inch barrel, the 300S Upper Receiver Group uses standard 5.56 bolts and magazines to deliver .30 caliber projectiles with greater muzzle energy than comparable 5.56mm platforms. With a wide variety of factory ammunition made for everything from home defense, target shooting, hunting, suppressed operation, and tactical applications, this upper receiver group is capable of delivering exceptional performance from a compact, fast-handling package. The independently ambi GRIP-N-RIP Charging Handle accommodates left- and right-handed shooters. All Daniel Defense complete upper receiver groups come standard with an M16 profile bolt carrier group.

NFA DISCLAIMER

This firearm is a regulated item by the National Firearms Act (NFA). Please check with your local and state municipalities for any further regulatory requirements. It is the buyer's responsibility to make sure they comply with all NFA rules and applicable laws.

MATERIALS & CONSTRUCTION

UPPER RECEIVER: Mil-Spec with Indexing Marks and M4 Feed Ramps. CNC Machined of 7075-T6 Aluminum, Type III Hard Coat Anodized
BARREL: Chrome Moly Vanadium Steel, Cold Hammer Forged, 1:8 Twist, 10.3" S2W Profile, Pistol Length Gas System, Chrome Lined, Mil-Spec Heavy Phosphate Coated, and HP/MPI Tested
GAS SYSTEM: Pinned Low Profile Gas Block CNC Machined of 4140 Hardened Steel and Mil-Spec Heavy Phosphate Coating, Pistol Length, Direct Impingement
MUZZLE DEVICE: Daniel Defense Flash Suppressor, 17-4 PH Stainless Steel, Salt Bath Nitride Finished
BOLT CARRIER GROUP: M16 Profile, Mil-Spec MP Tested, Chrome Lined, Properly Staked Gas Key
SIGHTS: Sold Separately
HANDGUARD: Daniel Defense DDM4 Rail 9.0, CNC Machined from 6061-T6 Aluminum, Type III Hard-Coat Anodized
CHARGING HANDLE: GRIP-N-RIP Charging Handle, Body CNC Machined of 7076-T6 Aluminum, Handles & Latch CNC Machined of 6061-T6 Aluminum, Heavy Duty Stainless Steel Roll Pins, Type III Hard Coat Anodized
RAIL PANELS: Daniel Defense Rail Panels Made from Santoprene, Heat Resistant to 300° F
Made in the USA!

Follow X-Werks on Instagram for updates and specials! Xwerksaz

Please allow 1-3 business days fo items to ship once payment is received.

Long guns and accessories ship UPS Ground. Handguns are shipped USPS priority mail.

Once payment and FFL are received we will email you a tracking/delivery confirmation number.

NO CREDIT CARD FEES!

Serial numbers will vary.

Daniel Defense DDM4 300S 300BO AR15 complete upper 10.3" Blackout