SPRINGFIELD ARMORY | SAINT B5 5.56 16″ | ST916556B-B5
Your Price: $911.00
Springfield Armory SAINT B5 semi-automatic rifle in 5.56x45mm NATO with a 16″ CMV Melonite barrel, B5 Systems M-LOK handguard and Bravo stock, and one 30‑round Magpul PMAG Gen M3 magazine.
The Springfield Armory SAINT B5 is a purpose-built modern sporting rifle chambered in 5.56x45mm NATO that pairs forged 7075 T6 receivers with B5 Systems furniture for a durable, familiar platform. It ships with a 16″ Chrome Moly Vanadium Melonite-coated barrel and a single 30‑round Magpul PMAG Gen M3 magazine, plus low-profile flip-up iron sights. For an optic under $1,000 that complements this rifle’s role, consider a 1-6x scope such as the Vortex Viper PST Gen II 1-6×24 for fast, practical target acquisition across typical MSR ranges.
Designed for modern sporting rifle (MSR) use and practical range/training applications, the SAINT B5 combines upgraded component choices—like a nickel-boron coated trigger and a Carpenter 158 steel bolt—with a mid-length direct gas system to balance recoil impulse and longevity.
Product Specifications
- The UPC is 706397935504.
- The caliber is listed as 5.56x45mm NATO (.223 REM).
- The barrel measures 16 inches and is described as Chrome Moly Vanadium with a Melonite finish.
- The rate of twist is 1:8 (right-hand).
- The upper and lower receivers are forged 7075 T6 aluminum, Type III hardcoat anodized.
- The gas system is a mid-length direct impingement with a pinned gas block.
- The handguard is a B5 Systems mid-length M-LOK free‑float style.
- The stock is an adjustable B5 Systems Bravo with a B5 Type 23 pistol grip.
- The bolt carrier group is an M16-style BCG with a Carpenter 158 steel bolt treated HPT/MPI and Melonite finish.
- The trigger is a nickel-boron coated GI single-stage style.
- The muzzle device is an A2 flash hider and the barrel is shown with a 1/2×28 thread pattern.
- The rifle ships with (1) 30‑Round Magpul PMAG Gen M3.
- Sights are low-profile adjustable flip-up rear and an A2 front post.
The SAINT B5 presents a straightforward, component-forward AR platform that suits shooters who want a ready-to-use MSR with quality baseline parts. The combination of forged 7075 receivers, Melonite-treated barrel and B5 Systems ergonomics makes it a solid choice for range work and practical-sporting applications where durability and parts commonality matter.
Owners and reviewers have highlighted the rifle’s reliable mid-length gas system and the comfort of the B5 furniture as notable strengths.
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