Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture

The Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture delivers a precision-machined, mil-spec platform designed for shooters who demand reliability and ergonomic performance. Built by Springfield Armory, this rifle combines a cold-hammer-forged barrel with the combat-proven B5 Systems furniture set, providing a balanced shooting experience for tactical applications, range training, and defensive use. The 5.56 NATO chambering ensures broad ammunition compatibility, while the mid-length gas system reduces recoil impulse and enhances parts longevity.

Overview

The Springfield Saint 5.56 NATO AR-15 Rifle with B5 Furniture is a direct-impingement, semi-automatic rifle engineered around a forged 7075 T6 aluminum upper and lower receiver. The 16-inch, cold-hammer-forged, chrome-moly vanadium barrel is treated with a Melonite QPQ finish for corrosion resistance and enhanced barrel life. The B5 furniture package includes a B5 Systems Type 23 pistol grip, a B5 Systems Enhanced SOPMOD buttstock, and a B5 Systems handguard, all selected for durable polymer construction and ergonomic contours. The bolt carrier group is shot-peened, high-pressure tested, and magnetic particle inspected, with a chrome-plated carrier interior to reduce friction. This configuration provides a ready-to-deploy rifle with minimal required modification.

Features & Specs

Every component of the springfield saint 5.56 nato ar-15 rifle with b5 furniture is selected for performance under sustained use. The barrel features a 1:8 twist rate, stabilizing both 55-grain and 77-grain projectiles with consistent accuracy. The mid-length gas system includes a low-profile gas block secured by a cross pin, reducing carbon fouling on the bolt. Below are the core specifications and included features:

• Caliber: 5.56 NATO (accepts .223 Remington). Barrel length: 16 inches with a 1:8 twist rate, 6-groove rifling. Muzzle: A2 flash hider with 1/2×28 threads. Overall length: 32.5 to 35.75 inches (collapsible stock). Weight: 6.8 pounds unloaded.
• Receiver: Forged 7075 T6 aluminum with Type III hard-coat anodizing. Upper receiver features a forward assist, dust cover, and brass deflector. Lower receiver includes an integral trigger guard and a standard mil-spec safety selector.
• Furniture: B5 Systems Type 23 pistol grip with enhanced texture and a reduced backstrap angle. B5 Systems Enhanced SOPMOD buttstock with dual QD sling sockets, a storage compartment, and a positive cheek weld. B5 Systems handguard with M-LOK attachment slots at the 3, 6, and 9 o’clock positions.

The bolt carrier group is constructed from Carpenter 158 steel with a shot-peened and MPI-tested bolt. The extractor uses a Mil-spec spring with a black rubber insert, and the ejector is spring-loaded with a roll pin retainer. The charging handle is a standard mil-spec design with a serrated latch. The trigger is a single-stage, mil-spec unit with a stated pull weight of 5.5 to 7.5 pounds.

Who It’s For

This rifle is suited for the shooter who requires a factory-assembled AR-15 with upgraded furniture without the premium cost of a custom build. The springfield saint 5.56 nato ar-15 rifle with b5 furniture is appropriate for law enforcement patrol rifles, civilian defensive carbines, and high-volume range training. The B5 furniture provides a consistent cheek weld and a non-slip grip surface, beneficial for shooters wearing gloves or operating in wet conditions. The 1:8 twist barrel allows the shooter to experiment with a wider range of bullet weights compared to a 1:7 or 1:9 twist. The mid-length gas system reduces bolt carrier velocity, making this rifle a viable option for those who intend to suppress the firearm in the future. This is not a competition race gun, but a general-purpose carbine built to handle standard ammunition types without modification.

Shipping & FFL

This firearm ships to a Federal Firearms License (FFL) dealer in your state. After placing your order, provide the shipping FFL’s contact information and a copy of their license via email or fax. We verify the FFL before shipping. The rifle is shipped in a hard case with one 30-round magazine (where permitted by state law), a cable lock, and an owner’s manual. Some states and localities have magazine capacity restrictions; it is the buyer’s responsibility to confirm local laws before purchase. The springfield saint 5.56 nato ar-15 rifle with b5 furniture is not available for shipment to addresses outside the United States. Allow 3-7 business days for processing and shipping after FFL verification. Signatures are required upon delivery. No returns are accepted on transferred firearms.