The Rock Island Armory STK100 Ultra HC is a versatile and durable 9mm pistol designed for precision and reliability. Featuring a 4.5-inch barrel and a modular aluminum frame, it offers excellent strength while maintaining a lightweight profile. The optic-ready slide includes lightening cuts and serrations for improved handling and compatibility with red dot sights. With a 17-round capacity, ergonomic grip design, and durable Parkerized finish, the STK100 delivers exceptional performance for both professional and recreational shooters.

UPC	4806015571131
Manufacturer	Armscor/Rock Island Armory
Manufacturer Part Number	57113
Color	Black
Capacity	17
Caliber/Gauge	9mm
Barrel Length	4.5"
Action	Semi-Auto
Accessories	2 Magazines
Finish	Armor Lube PECVD
Grip Material	G10
Material	ALUMINUM
Model	STK100
Product Type	Striker Fired
Subcategory	Pistols – Metal Frame
Size	Full Size
Sights	Fixed Sights
Shipping Weight	4.1
Illuminated Reticle	False
Number of Magazines	2 17 rd.
Overall Length	7.9"
Package Height	2.6
Package Length	12.0
Package Width	10.3
Rate of Twist	1-in-16"
Scope Cover Included	False
Sights Type	Fixed Sights
Weight	1.8 lbs.
Grip Type	Other
Frame	Steel Frame
Finish Type	Applied Finish
Additional Feature 1	Optic-Ready Slide
Additional Feature 2	Modular Aluminum Frame
Additional Feature 3	Lightening Cuts/Serrations
Adjustable Objective	False
ATF Manufacturer	ACP/APINTL
ATF Model	STK100
ATF Type	Pistol
Case	Plastic Case
Drilled and Tapped	False