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Accessorizing The Sig 522
The SIG 522 is perhaps the best 'tactical twenty two' currently available. It is surprisingly accurate and insensitive to ammunition variations, even cycling on some brands of subsonics. The SIG really lends itself to adaptation in the way the AR does. There aren't quite as many add-ons available, but it is more than possible to turn the Sig into a very versatile weapon system.
The Samson SIG 522 rail enables you to get 19" of rail space on the top of your rifle, making for great flexibility in the placement of optics and in co-witnessing. The Samson STAR SIG 522 rail has four MIL-STD 1913 Picatinny rails onto which you can fit your choice of sights, lasers, lights, foregrips and bipods. Machined from 6061 T-6 aluminum, the quad rail is black hard-anodized for protection and to match the finish of the weapon. No permanent modifications to the rifle are necessary.
The SIG 522 doesn't come with any iron sights as standard. SIG iron sights are famously expensive and, because of their height will only work with each other. Samson Manufacturing have produced their own SIG 522 sights which are positioned at the same height relative to the line of sight as an M16A2 rearsight. The Samson front sight works with any rearsight that fits a Picatinny rail and puts its aperture at the same height as an A2 rearsight. The front sight springs up at the press of a button and locks in either up or down position. Two configurations are available. One has AR wing protectors. The other uses the 'circle within a circle' style of the H&K or AK for rapid centering and engagement.
The SIG 522 was designed to take readily available Black Dog magazine. There is also a Black Dog 50 round AR drum mag which feeds very well with the SIG 522. The Black Dog 50 rounder works very well in semiauto but may need some tuning to function in fully automatic mode on selective fire weapons.
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