Springfield Armory SAINT M-LOK 5.56mm NATO, 16 in CMV Melonite Barrel, Mid-Length Gas, A2 Front Sight, 30+1
This Springfield Armory SAINT M-LOK stands out with a 16 inch CMV steel barrel treated with Melonite, a mid-length gas system with an H buffer, and forged 7075-T6 receivers finished in Type III hard-coat anodizing. It is configured with an A2 pinned front sight, a low-profile flip-up rear sight, and a drop-in M-LOK polymer handguard. The rifle includes Springfield's Accu-Tite receiver-tension system and a nickel-boron coated GI-style single-stage trigger. Condition is excellent with a clean, mirror-bright bore.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This rifle shows minimal signs of prior use or handling.
What’s Included
- Springfield Armory SAINT M-LOK 5.56mm NATO semi-automatic rifle
- One 30-round Magpul PMAG Gen M3 polymer magazine (5.56x45)
The 16 inch chrome-moly-vanadium steel barrel is Melonite treated inside and out and is threaded at the muzzle, capped with an A2-pattern birdcage flash suppressor. A 1:8 twist rate supports a wide range of 5.56mm bullet weights. The ejection-port cover is marked 5.56 NATO.
A mid-length gas system paired with an H (heavy) carbine buffer underpins the SAINT's operating setup. The forged upper receiver includes a forward assist and brass deflector, while the lower is multi-caliber marked. Springfield's Accu-Tite receiver-tension system is installed between the receivers.
The rifle is built on forged 7075-T6 aluminum receivers with a Type III hard-coat anodized finish. Controls include a manual safety selector and a single-stage, nickel-boron coated GI-style trigger.
Furniture includes a six-position adjustable stock, a textured polymer pistol grip, and a mid-length drop-in polymer handguard that is M-LOK compatible for accessory mounting. Sighting is via an A2 fixed front sight base (pinned) and a low-profile dual-aperture flip-up rear sight.

