Daniel Defense DDM4 Complete Semi-Auto Lower Receiver Group Flared Magwell - Ambidextrous Safety - Made in USA The Daniel Defense DDM4 Semi-Auto Lower Receiver Group is a durable, Mil-Spec-based foundation designed for reliable performance and enhanced functionality. Precision CNC machined from 7075-T6 aluminum with Type III hard coat anodized finish for long-term wear resistance. Features enhanced flared magazine well for improved reload speed, integrated rear QD swivel attachment point, Mil-Spec trigger, ambidextrous safety, H buffer, 6-position receiver extension (7075-T6 aluminum), Daniel Defense buttstock and pistol grip made from glass-filled polymer with soft-touch overmolding. Multi-caliber compatible. Black finish. Designed and manufactured in the USA. 7075-T6 Aluminum Construction Precision CNC machined from 7075-T6 aluminum with Type III hard coat anodized finish for long-term wear resistance. The aerospace-grade aluminum provides exceptional strength-to-weight ratio and durability. Enhanced Flared Magazine Well The enhanced flared magazine well improves reload speed and efficiency by funneling magazines into place for faster, more reliable reloads under stress. Ambidextrous Safety The ambidextrous safety accommodates both right- and left-handed shooters for versatile operation. The ambi controls provide equal functionality from either side. Integrated QD Swivel Mount The integrated rear QD swivel attachment point adds versatility for sling configurations. The quick-detach mounting enables rapid sling attachment and removal. Mil-Spec Trigger and H Buffer Equipped with Mil-Spec trigger and H buffer to promote smooth operation and controlled recoil. The heavy buffer helps manage recoil impulse and ensures reliable cycling. 6-Position Receiver Extension The 6-position receiver extension constructed from 7075-T6 aluminum allows for adjustable length of pull to suit individual preferences. The adjustable design accommodates different shooter sizes and gear configurations. Daniel Defense Stock and Grip The Daniel Defense buttstock and pistol grip are made from glass-filled polymer with soft-touch overmolding, providing a secure and comfortable interface. The soft-touch surface ensures positive control even when wet. Multi-Caliber Compatible Multi-caliber platform enables use with various upper receiver configurations. The Mil-Spec design ensures compatibility with standard AR-15 uppers. The Daniel Defense DDM4 complete lower delivers Mil-Spec reliability with enhanced features-precision-machined in the USA for dependable performance. SPECIFICATIONS Manufacturer: Daniel Defense Model: DDM4 Complete Lower Receiver Group Platform: AR-15 Caliber: Multi-Caliber Receiver Material: 7075-T6 Aluminum Receiver Finish: Type III Hard Coat Anodized Receiver Features: Flared Magwell, Rear QD Swivel Attachment Point Fire Control Group: Mil-Spec Safety: Ambidextrous Buffer: H (Heavy) Receiver Extension: 6-Position, 7075-T6 Aluminum Stock: Daniel Defense Buttstock Stock Material: Glass-Filled Polymer with Soft-Touch Overmolding Grip: Daniel Defense Pistol Grip Grip Material: Glass-Filled Polymer with Soft-Touch Overmolding Finish: Black Color: Black Manufacturing: USA