Description
Overview
The Daniel Defense M4A1 Complete Upper Receiver is a battle proven assembly built on a 14.5″ Cold Hammer Forged barrel pinned to a 16″ overall length. It features a rugged RIS II rail system and a SureFire SF3P flash hider for real world performance. This upper comes assembled and ready to install on any compatible AR-15 pattern lower, delivering the reliability and durability expected from Daniel Defense.
What It Does
This complete upper gives your rifle a balanced configuration that works well for defensive, duty, and range use. The pinned flash hider brings the barrel to a 16″ overall length that complies with common rifle regulations while maintaining a compact feel. The RIS II rail provides continuous mounting space for optics, lights, lasers, and back up sights. A precision forged barrel, quality bolt carrier group, and dependable gas system come together to support smooth cycling and consistent function shot after shot.
Features
- Cold Hammer Forged barrel with 14.5″ length pinned to 16″ overall.
- Carbine length gas system tuned for reliable cycling.
- RIS II rail interface system for continuous accessory mounting space.
- SureFire SF3P flash hider pinned in place for legal compliance.
- Premium bolt carrier group included for dependable operation.
- Ambidextrous charging handle for versatile manipulation.
- Precision engineered for duty and defensive rifles.
Specs
- Chambered in 5.56 NATO for broad ammunition compatibility.
- 14.5″ barrel pinned to 16″ overall length.
- Carbine length gas system for consistent function.
- Continuous rail space for accessory mounting.
- Complete with bolt carrier group and charging handle.
FAQ
Will this fit my AR-15 lower?
Yes. It’s built to mate with standard AR-15 pattern lowers using typical barrel extension and pin locations.
Is the barrel legal?
Yes. The 14.5″ barrel is pinned with the flash hider to a 16″ overall length in a permanent configuration.
Can I mount optics and accessories?
Yes. The RIS II rail provides continuous mounting space for sights, lasers, lights, and other gear.
Does it include a bolt carrier group?
Yes. A premium bolt carrier group and charging handle are included for reliable cycling and performance.
Is this suitable for defensive or duty use?
Yes. Its quality components and balanced design make it a strong choice for defensive, duty, or range builds.
What type of flash hider does it use?
It uses a SureFire SF3P flash hider pinned in place as part of the overall 16″ package.
