StormLake Glock barrels are machined from certified 416R stainless steelfor superior strength, durability and accuracy. Barrels are match grade,hardened to 40-42 HRC and cut broach rifled to shoot jacketed or leadbullets. All barrels are chambered for full case support. All Glock barrelsare drop in and will only occasionally require modification to fit.Extended lengths are available, as well as ported and threaded options. Twoport options are extended barrels with ports beyond the end of the slide.Four port options are standard length barrels where all ports are within aslide cutout area - a cutout in the slide is required to accommodate theports, or with all ports extended beyond the end of the slide. Six portoptions have a combination of the tow ports beyond the end of the slide andfour ports within the slide cutout area.
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