Halworx Trax Pak 8.6 Blk SBR
$2,200.00
This is a Class III NFA item, this will need to be shipped to an SOT near you to take possession. If you live locally or in the state of Texas, we can help facilitate the transfer.
Lead times are estimated to be approximately 3-4 weeks.
Available on backorder
Description
The Halworx preferred 8.6 Blackout platform…accurate, reliable, lightweight!
We start out with a Sig Cross Trax, install and head-space our premium 416R 1:3t nitrided barrel, B5 K22 grip, Q G-Sling (black multicam), your choice of Aimpoint ACRO C2 3.5moa (Orange) or ACRO C2 2.5moa (Black) on a Reptilia DOT Mount or no optic…your choice!
Barrel Specs;
Our barrel is a premium 416R stress-relieved button-rifled medium contour 1:3t blank that’s precision-dialed and chambered concentric to bore with the lowest run out guaranteed…finally, it’s threaded M18x1.5 taper, precision cut crown, and finally black Nitride treated.
Nitrided barrels are treated through a thermochemical process that diffuses nitrogen and carbon into the steel’s surface.
The primary benefits of nitrided barrels include:
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Superior Accuracy: Unlike chrome lining, nitriding is a surface treatment rather than an additive coating. It does not change the barrel’s dimensions, preserving the precise rifling and bore geometry as they were machined.
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Extreme Surface Hardness: The process creates a hard “skin” (often up to 60-70 HRC) that is as tough as tool steel. This significantly reduces throat erosion and wear on the rifling lands.
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Comprehensive Corrosion Resistance: Because the barrel is submerged in a chemical bath, both the interior bore and the exterior surfaces are protected. This treatment is extremely resistant to rust and often requires less oil for maintenance.
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Increased Lubricity: The treatment lowers the coefficient of friction within the bore. This leads to less copper and carbon fouling, making the barrel significantly easier to clean—often requiring only a simple wipe-down.
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Heat Resistance: nitriding offers excellent heat resistance for semi-automatic and rapid-fire strings, maintaining accuracy longer than untreated steel.
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Fatigue Strength: The process can improve the fatigue life of the steel by 30% to 100%, making the barrel more resistant to structural failure under stress.
Halworx Trax Benefits include;
Featherweight at 5.6 lbs (w ACRO & mount), minimalist folding stock, standard 20moa top rail, single-feed AICS magazine compatible yielding 100% feed reliability and no magazine wobble, tried-and-true 60 degree bolt throw for reliable primer ignition, a true match-grade 2-stage-adjustable trigger resulting in a consistent break, rigid steel receiver extension nut and steel 12-point jam nut ensures predictable hunting precision in a lightweight fast-handling reliable hunting platform that’s commonly producing 1 MOA or better (1.043” @ 80y) w our 8.6 Blk 1:3t offerings.
Additional information
| Weight | 6 lbs |
|---|---|
| Dimensions | 40 × 12 × 3 in |


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