Data Quality83%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the pistols category.
01 / Overview
Smith & Wesson Model 645
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ⓘ Performance/Price and MASS score are computed across all units in the pistols category, regardless of era.
02 / Specs & Design
◎General3MOD.3
- First Production Year1985
- Weight (Empty)1.06 kg
- Currently In ServiceNo
◈Cartridge & Calibre7MOD.7
- Cartridge.45 ACP
- Calibre11.45 mm
- Case Length22.8 mm
- Calibre Classpistol
- Bullet Weight14.9 g
- RimfireNo
- Caseless AmmunitionNo
▣Operation7MOD.7
- Action TypeDouble/Single Action (DA/SA)
- Fire Modesdouble-action/single-action
- Select FireNo
- Feed SystemDetachable Magazine
- Magazine Capacity8
- Trigger Typetraditional double action
- Safety Typeambidextrous safety/decocker
◇Ballistics3MOD.3
- Muzzle Velocity253 m/s
- Muzzle Energy500
- Effective Range (point)50.292 m
◆Barrel & Sights8MOD.8
- Barrel Length127 mm
- Rifling Twist1:16
- Rifling Grooves6
- Sight TypeFixed iron three-dot, adjustable available
- Sight Radius165 mm
- Optic RailNo
- Iron SightsYes
- Threaded BarrelNo
▤Construction6MOD.6
- Overall Length216 mm
- Receiver Materialstainless steel
- Furniture Materialblack plastic grip plates
- Folding / Collapsing StockNo
- Bullpup LayoutNo
- Ambidextrous ControlsYes
⬢Features5MOD.5
▲Production & Cost3MOD.3
- Production Start1985
- Production End1988
- Variants1
◎Additional Dimensions2MOD.2
- Width35 mm
- Height140 mm
03 / History
SERVICE LIFESPANStill in Service
- 1985Production started
- 1988Production ended
41
years in service
3
years in production
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
PISTOLS RANKING Pistols · Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within thePistolscategory.
📖 TERMS ON THIS PAGE4terms
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
Firearm mechanism where double action (DA) requires a long trigger pull to cock and release the hammer, while single action (SA) requires only a short pull to release a pre-cocked hammer.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources