Springfield Saint 5.56mm Semi-Automatic AR-15 Rifle with M-LOK Rail

  • Item Number: ST916556BM
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  • Condition: NEW
$899.99 $1,023.00

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Product Description

What's in the Box

  • Saint 5.56mm Semi-Automatic Rifle with M-LOK
  • (1) 30-Round Magazine
  • Springfield Soft Rifle Case
  • Cable Lock
  • Owner's Manual

Introducing new M-LOK compatible SAINT rifles chambered in 5.56mm NATO. These SAINT rifles now feature slim M-LOK compatible handguards from Bravo Company, with an internal aluminum heat shield. Each M-LOK compatible SAINT model includes a low-profile, dual aperture flip-up rear sight with ½ minute of angle windage adjustments.

At the heart of these SAINT rifles is an M16 bolt carrier group, with a Carpenter 158 steel bolt that has been shot-peened and magnetic particle tested to meet the most demanding durability requirements. The 16-inch barrel is made of Chrome Moly Vanadium and Melonite® coated inside and out for longevity and corrosion resistance. A 1:8-inch twist rate barrel is capable of stabilizing a broad range of ammunition types and projectile lengths. The rifles are a lightweight 6.11 ounces, capable of quick and easy handling under strenuous conditions.

Unlike many AR-15s on the market, the SAINT family of rifles feature an upgraded trigger right out of the box. The nickel boron-coated GI single-stage trigger operates smoothly and provides a clean, grit-free pull. These M-LOK compatible SAINTs also use a mid-length gas system with an “H” heavy tungsten buffer, designed to mitigate snappy recoil and ensure a smooth, accurate, and comfortable shooting experience. The Accu-Tite™ tension system provides a tight, wobble-free fit between the upper and lower receivers, which are constructed from Type III hard anodized aircraft-grade 7075 T6 aluminum.

Bravo Company outfits the M-LOK compatible SAINT rifles with quality furniture, including the upgraded BCM Gunfighter stock, the Mod 3 pistol grip, and the BCM trigger guard. One 30-round Magpul PMAG is included.

Firearm Specifications

  • Manufacturer: Springfield
  • Model Number: ST916556BM
  • Caliber: 5.56mm NATO
  • Barrel: 16" CMV Melonite; 1:8" Twist
  • Overall Length: 32.25-35.5
  • Upper Receiver: Forged 7075 T6 Aluminum; Type III Hardcoat Anodized; Forward Assist; M4 Feed Ramps
  • Lower Receiver: Forged 7075 T6 Aluminum; Type III Hardcoat Anodized; Accu-Tite Tension System
  • Gas System: Direct Impingement Mid-Length; Picatinny Pinned Gas Block
  • Trigger: Nickel Boron Coated GI
  • Sights: Low Profile Adjustable Flip-Up
  • Trigger Guard: BCMGUNFIGHTER
  • Pistol Grip: BCMGUNFIGHTER Mod 3
  • Handguard: BCMGUNFIGHTER PKMR; M-LOK
  • Butt Stock: BCMGUNFIGHTER Mod 0
  • Buffer Assembly: Carbine "H" Heavy Tungsten Buffer
  • Receiver Extension: Mil-Spec
  • Charging Handle: GI Style
  • Bolt Carrier Group: M16 with Carpenter 158 Steel Bolt; HPT/MPI; Melonite
  • Magazine: (1) 30-Round Magpul PMAG Gen M3

Customer Comments & Questions

Customer Reviews

(3 out of 5) Great Gun. Amazing gun. But no way is it new
by from Ada, OK on

I hate being the Negative Nancy but people gotta know. I bought the Saint a while back. This is my 2nd AR. As soon as I got it, this thing smelt heavily like a day at the range and was visibly dirty on the outside with small scratches under the handguard and on the D-ring. Like someone changed out a grip a few times. I didn't think anything of it at first. Sat the gun on the shelf till I could head to the range. Went to the range and was eager to shoot. Mags loaded. Sights ready. Chambered the first round and it felt a little off. Fired that first round and was amazed at how good the Saint felt to fire. The gun is absolutely amazing. Went to fire the second shot and it JAMMED. Cleared the jam, fired a few more good shots, and it jammed AGAIN. So I cleared it and took the whole gun apart. Down to the fine parts. Nothing was broken. The amount of fouling I had to clean off of a NEW gun was purely astounding. 2 whole shop towels of spent powder and gunk. Come on. That's more than test firing the dang thing. The factory won't spend whole mags testing a gun without AT LEAST cleaning it. Someone took this rifle to the range, lit it up, and didn't even clean it! I wouldn't have cared nearly as much if it got cleaned after! Lets forget the Saint for a moment. This is the SECOND gun I've got from SOSS. The other was a pistol and it dawned on me. I saw my buddy's Saint he got just after me,  a Springfield thankfully, and that thing was covered in factory oil AND it was clean inside. Maybe a couple rounds through it from the factory tests. Both of my guns from SOSS were bone-dry and the Saint was filthy in and out. Didn't have an Owners Manual either. Didn't know I'd pay a NEW price for a USED gun. Smh. Shame on me for not CLEANING it right there in the store, right Before picking it up from the FFL. Silly me only made sure nothing was broken or missing. Pfff, what a rookie move, huh Totally bums me out...

(5 out of 5) Springfield Saint
by from Austin, TX on

Would definitely buy again. AR was new just described!!And fast shipping!!

(5 out of 5) Saint 5.56 M-LOK
by from Homestead, FL on

Couldn't be more satisfied. This is a masterpiece by Springfield. I never had as much fun at the range than I had shooting this awesomely made AR-15. Front to back Bravo Company furnish. Priced in an affordable range and made to perform under the most extreme conditions. It's a blast to shoot, you have too try it for yourself!