Rock Island Armory 1911 series

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RIA Tactical pistol (discontinued model)
Type Semi-automatic pistol
Place of origin  Philippines
Production history
Manufacturer Armscor
Variants FS
A2 Hi-capacity
Weight 38.4 ounces (1.09 kg)
Length 7¾ in (197 mm)
Barrel length 5 in (127 mm)
Width 1.5 in (38 mm)
Height 5.45 in (138 mm)

Caliber .45 ACP
10mm Auto
.40 S&W
.38 Super
9 mm Luger
.22 TCM
Action semi-automatic, single action
Feed system 8 round magazine (FS model)
Sights fixed G.I. (FS model)

The Rock Island Armory 1911 series is a product line of single-action recoil operated semi-automatic pistols. They are designed and manufactured by Armscor in Marikina, Philippines,[1] and distributed in the United States by Armscor USA, located in Pahrump, Nevada.

RIA (Rock Island Armory) 1911s are derivative of the US Military G.I. M1911-A1, the standard issue US Service pistol from 1911 to 1985.[2] Most RIA models are targeted for the low-end price point of the 1911 pistol market and are basic entry level MIL-SPEC versions of the 1911,[3] however, the RIA Tactical,[4] Compact, and Match models offer additional higher-end features. The Compact model features a skeletonized hammer and beavertail grip safety while the Tactical model also adds a target-grade hammer and trigger as well as an ambidextrous safety, and enhanced contrast combat sights. Armscor is an ISO 9001 certified-compliant company which manufactures Rock Island pistols using CNC (Computer Numerical Control) equipment.[5] RIA 1911 series pistols are constructed of 4140 chromoly steel with a cast frame, and are available in .45 ACP, 10mm Auto, .40 S&W, .38 Super, 9mm Luger, and .22 TCM chamberings.[6][7][8][9]

General specifications[edit]

The general specifications for Rock Island Armory 1911 pistols are:[10]

  • Ordnance grade 4140 steel construction
  • 100% parts compatibility with US G.I.
  • Flat grooved steel mainspring housing
  • Calibers: .45 ACP, 10mm Auto, .40 S&W, .38 Super, 9 mm Luger,.22 TCM
  • Finishes: blued, Parkerized, nickel
  • Grooved trigger
  • Approx. 5¼ lb. (23 N) trigger pull
  • Non-checkered smooth wooden, checkered black rubber or VZ type grips, depending on model
  • Hard plastic clamshell storage case
  • Manual


Variants of Rock Island Armory 1911 pistols include:[6][7][10]

1911-A1 FS 1911-A1 MS 1911-A1 CS 1911-A2 FS HC 1911-A1 Tactical 1911-A1 Match
Size Full Commander Compact
(Colt Officer)
Full, double-stack Full Full
Length 8.75 in 7.75 in 6.75 in 8.75 to 9.75 in 8.75 in 8.75 in
5 in 4.25 in 3.5 in bull 5 in or 6 in 5 in 5 in
Weight 2.4 lb 2.2 lb 2.16 lb 2.6 lb 2.5 lb 2.4 lb
Sights G.I. Snag-free Snag-free (varies) Snag-free Combat LPA Adjustable
8 round 8 round 7 round 14 round (.45 ACP)

16 round (10mm Auto)

8 round 8 round

See also[edit]


  1. ^ "Products & Support – Pistols", Arms Corporation of the Philippines. Retrieved February 23, 2014.
  2. ^ Campbell, B. "The Rock Island Armory Guns" The Sight .45 ACP website
  3. ^ syd, “ Rock Island Armory M1911A1” The Sight .45 ACP website
  4. ^ "Two Affordable 1911s: Rock Island Armory Beats Firestorm", Gun Tests, July 2009
  5. ^ Armscor Philippines Website main page
  6. ^ a b Armscor Philippines website GI pistols page
  7. ^ a b Armscor USA website pistols page
  8. ^ "Practical Series". Squires Bingham International, Inc. Squires Bingham International, Inc. Retrieved 9 September 2014. 
  9. ^ "Pistols". Armscor USA. Armscor USA. Retrieved 9 September 2014. 
  10. ^ a b Rock Island pistol page on Sarco, Inc. website