Radian Weapons Model 1 A-DAC 15 AR-15 Pistol, 5.56 NATO, Q 9.69 in Barrel, Ambidextrous Controls, SBA3 Brace
This custom Radian Model 1/A-DAC 15 AR pistol is built with premium, purpose-chosen components and a cohesive feature set. It centers on a Q LLC 9.69 in 5.56 barrel with a 1:5 twist and an integrated Q adjustable gas block and gas tube, paired with a Q three-prong flash hider. Ambidextrous controls run throughout the A-DAC 15 lower and Radian setup, complemented by a Radian Raptor SD charging handle, a Radian flat-faced single-stage trigger, and an SBA3 adjustable brace. The configuration is complete with a free-float M-LOK handguard, Geissele H2 buffer and spring, and a CMMG Fastback receiver extension.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are a few mild scuffs and scratches on exterior surfaces.
What’s Included
- Brace: SB Tactical SBA3 pistol stabilizing brace (installed)
- Receiver Extension: CMMG Fastback receiver extension/buffer tube (installed)
- Charging Handle: Radian Raptor ambidextrous charging handle (installed)
- Handstop: DFCO handstop/short vertical foregrip (installed)
- Rail Covers: M-LOK rail cover panels with hex texture (installed)
- Pistol Grip: DFCO pistol grip (installed)
- Muzzle Device: Three-prong flash hider (installed)
- MagNotes: Mix of Magpul PMAG Gen M3 and Hexmag Series 2 AR-15 polymer magazines shown
The upper is a Radian Model 1 upper receiver, mated to an A-DAC 15 ambidextrous lower marked MULTICAL. The control suite is fully ambidextrous, including the magazine release, bolt catch/release, and safety selector, with a Radian safety selector installed. An ejection port cover is present. The receivers and free-float handguard are aluminum with a matching gray finish.
The barrel is a Q LLC 5.56 unit measuring 9.69 inches with a 1:5 twist. It features an integrated Q adjustable gas block and gas tube for fine-tuning, plus a threaded muzzle with a Q three-prong flash hider. This setup provides a compact 5.56 system with user-adjustable gas to match ammunition and use conditions.
The operating components include a Radian Raptor SD ambidextrous charging handle and a Radian flat-faced single-stage trigger for a crisp, consistent break. Recoil management is handled by a Geissele H2 buffer and spring inside a CMMG Fastback "Fast release" receiver extension/buffer tube. The pistol runs a semi-automatic direct-impingement system with a stated capacity of 30+1.
The aluminum handguard is a free-float M-LOK design with a full-length 1913 top rail and installed M-LOK hex-textured rail panels. Ergonomics are enhanced by a Die Free Tiger Claw handstop and a DFCO pistol grip, and the brace is an SB Tactical SBA3 adjustable model. The package balances compact dimensions, ambidextrous handling, and premium component selection.

