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Armscor · Pistol

Armscor / Rock Island Armory 5.0 ST

Short recoil (semi-automatic) · 9x19mm Parabellum

Also known as 5.0 ST

About the Armscor / Rock Island Armory 5.0 ST

The Armscor / Rock Island Armory 5.0 ST is a semi-automatic pistol chambered in 9x19mm Parabellum, manufactured by Armscor / Rock Island Armory. This Filipino-manufactured firearm reflects the engineering traditions and quality standards of its country of origin, designed to meet the demands of both civilian and professional users in a competitive global marketplace. The striker-fired action provides a consistent trigger pull for every shot, simplifying training and reducing the manual of arms - a design philosophy that has become the dominant paradigm in modern defensive handguns. The polymer frame construction reduces weight while providing a textured, ergonomic grip surface designed for secure handling in all conditions. Notable features include accessory rail, ambidextrous slide stop, textured grip, reversible magazine release, contributing to an ergonomic and functional design suited to its intended applications. This firearm represents its manufacturer's commitment to delivering a well-engineered, reliable product that serves the needs of discerning shooters seeking quality, accuracy, and dependable performance from a proven platform.

Founded in 1905, Armscor / Rock Island Armory has built a reputation in the firearms industry through consistent innovation and quality, earning the trust of shooters who demand reliability in their chosen defensive and sporting firearms.

Armscor / Rock Island Armory 5.0 ST specifications

General

Type
Pistol
Action
Short recoil (semi-automatic)
Firing mechanism
Striker-fired
Trigger
Single action
Trigger pull
2.8 kg (6.1 lb)
Calibres
9x19mm Parabellum
Magazine capacity
15 rounds
Magazine
Detachable box magazine

Dimensions

Barrel length
102 mm (4.0 in)
Overall length
190 mm (7.5 in)
Height
133 mm (5.2 in)
Width
32 mm (1.3 in)
Weight (empty)
0.70 kg (1.54 lb)

Barrel

Rifling twist
1:10 in (254 mm)
Rifling
Right hand
Grooves
6

Materials

Barrel
Stainless steel
Receiver / frame
Polymer
Slide
Stainless steel
Finish
stainless

Performance

Muzzle velocity (typical)
360 m/s (1181 fps)
Muzzle energy (typical)
481 J (355 ft·lb)
Effective range
50 m

History

Production status
Discontinued
Country of origin
PH

Features

  • Accessory rail
  • Ambidextrous slide stop
  • Textured grip
  • Reversible magazine release
  • Striker-fired
  • Stainless steel slide
  • Polymer frame

Factory finish: stainless.

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