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JAG™ 18″ SPR Upper Receiver 5.56mm – Olive | Earth | Charcoal

SKU: JAG18-URG

$449.99 – $549.98

$449.99 – $549.98

In Stock

Just As Good Rifle.

The beauty of the Stoner platform lies in its modularity. The JAG Upper offers a reliable and fully equipped option for new users to grow with and experienced shooters to head straight to the range with the addition of a lower receiver.

  • Barrel

    L&S's 4150CMV, stress relieved, 1/7 twist mid length barrel is gas nitrocarburized for longevity, and is capable of match grade accuracy with Black Hills® MK262 ammunition.

  • Bolt Carrier Group

    The JAG utilizes the L&S M16 JRBCG, a properly heat treated 9310 bolt with a corrected internal carrier gas ring run to compensate for black nitride's three micron coating depth, extending gas ring service life and proving a "Just Right" seal.

  • Hand Guard

    Free floated and secured via wedge locking system, the JAG rail is a durable handguard that retains a continuous 12 o'clock 1913 section and multiple MLOK attachment points.

  • 7075 Forged

    Borrowed from the ARC, L&S's 7075 forged receiver set comes with an M16 FCG pocket and Type III hard coat anodizing for added coating longevity. Available in Charcoal, Earth, and Olive.

  • Gas Drive

    L&S utilizes the 4140CMV machined quality gas block (QGB) for paralleled thermal expansion, which is secured to the dimpled barrel via degreased, thread locked, serrated gas block screws torqued to 25 in/lbs.

DeSCRIPTION.

The JAG SPR is Lead & Steel’s intermediate-tier Special Purpose Rifle intended for affordable distance shooting. The JAG is meant to bridge the gap between rifle tiers and provide an offering that’s Just As Good.

Note: JAG uppers are sold stripped without a BCG or CH unless you select the add on option. Upper assemblies take 1-2 weeks to ship. 

Barrel: L&S’s 4150CMV, stress relieved, 1/8 twist 18″ rifle length HBAR is gas nitrocarburized for longevity, and is capable of match grade accuracy with Black Hills® MK262 ammunition. Barrels are batch HP/MPI and accuracy tested at 100yds. Gas port is drilled to 0.093″ for a smoother shooting rifle that retains reliable extraction and ejection in a variety of environmental conditions.

Bolt Carrier Group: The JAG SPR utilizes the L&S M16 JRBCG, a properly heat treated 9310 bolt with a corrected internal carrier gas ring run to compensate for black nitride’s three micron coating depth, extending gas ring service life and proving a “Just Right” seal.

Hand Guard: Free floated and secured via wedge locking system, the JAG rail is a durable handguard that retains a continuous 12 o’clock 1913 section and multiple MLOK attachment points for whatever goober-tier accessories you have in mind.

Receiver Set: Borrowed from the ARC, L&S’s 7075 forged receiver set comes with an M16 FCG pocket and Type III hard coat anodizing for added coating longevity.

Gas Drive: L&S utilizes the 4140CMV machined quality gas block (QGB) for paralleled thermal expansion, which is secured to the dimpled barrel via degreased, thread locked, serrated gas block screws torqued to 25 in/lbs.

Lead & Steel lifetime warranty.

Additional information.

  • Color

    Olive, Earth, Charcoal

  • Add Jr BCG + Milspec CH

    Yes +$99.99, No

  • Finish disclaimer:

    The JAG, like our other products, prioritizes function over aesthetics; it is completely normal (and even expected) that your rifle will have small imperfections including forging marks, striations in the anodizing, tooling marks from our various CNC operations, handling marks from the test fire procedure, and varying shades between the aluminum. All L&S aluminum components are finished in Type III hard coat anodize because of its surface hardness, abrasion resistance and chemical resistance. Type III adds a 0.0015” layer of hard aluminum oxide to the substrate's surface. This layer is grown via a proprietary, several step electrolytic bath that prioritizes surface protection over all else, and the resultant color is dependent upon the saturation of compounds in the various baths, dye concentration, dye mix ratio, aluminum oxide case depth, starting smoothness of the part, etc. Rails, receivers and other aluminum parts can and will vary from one part to the next, even within the same batch. It is nearly impossible to have a perfectly matching JAG, thereby making each rifle unique. The photos above are a representation of what you will receive, but it may not be a 1:1. Even with the inherently inconsistent nature of anodizing, we consciously selected Type III Ano for surface finish longevity--to date, there is no cerakote (or other painted finish) that can beat it.

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