Daniel Defense M4A1 RIII 5.56 NATO AR-15, 14.5 in CHF 4150 CMV Gov't Barrel Pinned to 16 in, RIS III 12.5 in M-LOK, Two-Tone Black/FDE
This Daniel Defense M4A1 RIII stands out with its factory 14.5 inch cold-hammer-forged 4150 CMV government-profile barrel that is pinned and welded to a 16 inch overall barrel length. It pairs a mid-length gas system with the RIS III 12.5 inch free-float M-LOK handguard using Daniel Defense's six-bolt Bolt-Up interface and a T-marked continuous top rail. The rifle features a two-tone look with a black receiver and FDE handguard, and comes with quality accessories and a windowed PMAG.
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: This firearm is in great shape. There are some minor, superficial scratches and blemishes present.
What’s Included
- 1x 30-round Magpul PMAG (polymer) with window
- Blue Force Gear 2-point sling with QD swivels (tan)
- Daniel Defense vertical foregrip (detached/not installed)
The M4A1 RIII configuration delivers a duty-proven core: a 14.5 inch cold-hammer-forged, chrome-lined 4150 CMV barrel with a 1:7 twist and government profile. The open-prong flash suppressor is pinned and welded to achieve a 16 inch overall barrel length. The barrel is threaded, and the system runs direct impingement with a mid-length gas setup for smooth operation.
Daniel Defense's RIS III 12.5 inch free-float M-LOK handguard uses the company's six-bolt Bolt-Up interface for a solid lockup. It features a T-marked continuous top rail and a laser-marked U.S. Pat. 7,716,865 on the handguard. This setup provides modern mounting options while keeping the barrel free-floated.
The upper is marked M4A1 RIII, and the lower is roll-marked “DD4 CARBINE CAL. MULTI” with “BLACK CREEK, GA, U.S.A.” The upper is marked 5.56. The rifle presents a two-tone configuration with a black receiver and FDE handguard. It includes an adjustable, collapsible stock and a Daniel Defense textured pistol grip, with a 30+1 capacity.
Overall length is approximately 31.5 to 34.75 inches, and unloaded weight is about 6.39 lb. This rifle combines the M4A1 RIII feature set with a factory-pinned 14.5 inch barrel to meet the 16 inch standard, delivering a refined, ready-to-run configuration.