Data Quality82%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the revolvers category.
01 / Overview
Ruger SP-101
Category
Country
Prime contractor
Production
1989–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
REVOLVERS · COLD WAR
7
PERFORMANCE/PRICE
92
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the revolvers category, regardless of era.
02 / Specs & Design
◎General4MOD.4
- First Production Year1989
- Weight (Empty)0.708 kg
- Weight (Loaded)0.85 kg
- Currently In ServiceYes
◈Cartridge & Calibre7MOD.7
- Cartridge.22 LR; .38 Special; .357 Magnum; .327 Federal Magnum; 9×19mm ; .32 H&R Magnum (discontinued)
- Calibre5.6 mm
- Case Length15.1 mm
- Calibre Classhandgun
- Bullet Weight40 g
- RimfireNo
- Caseless AmmunitionNo
▣Operation7MOD.7
- Action TypeRevolver
- Fire Modesdouble-action/single-action
- Select FireNo
- Feed SystemCylinder
- Drum / Belt Capacity5
- Trigger Typedouble-action
- Safety Typetransfer bar
◇Ballistics2MOD.2
- Effective Range (point)50 m
- Maximum Range500 m
◆Barrel & Sights5MOD.5
- Barrel Length57.15 mm
- Sight Typefixed or adjustable
- Optic RailNo
- Iron SightsYes
- Threaded BarrelNo
▤Construction6MOD.6
- Overall Length183 mm
- Receiver Materialstainless steel
- Furniture Materialsteel
- Folding / Collapsing StockNo
- Bullpup LayoutNo
- Ambidextrous ControlsNo
⬢Features5MOD.5
▲Production & Cost1MOD.1
- Production Start1989
03 / History
SERVICE LIFESPANStill in Service
- 1989Production started
37
years in service
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
REVOLVERS RANKING Revolvers · Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within theRevolverscategory.
📖 TERMS ON THIS PAGE3terms
A rotating cylindrical chamber that holds multiple cartridges and aligns each with the barrel for firing, as used in revolver-type pistols.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
A revolver is a type of pistol with a rotating cylinder containing multiple chambers, typically 5 or 6, which are successively aligned with the barrel.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources