Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the bolt-action rifles category.
01 / Overview
Remington Model 521 TL Junior
Category
Country
Production
1947–1969
Quantity
66,338
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
BOLT-ACTION RIFLES · EARLY COLD WAR
21
PERFORMANCE/PRICE
90
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the bolt-action rifles category, regardless of era.
02 / Specs & Design
◎General3MOD.3
- First Production Year1947
- DesignerRemington R&D
- Weight (Empty)4.08 kg
◈Cartridge & Calibre6MOD.6
- Cartridge.22 Short, .22 LR, .22 Long
- Calibre5.6 mm
- Case Length25.4 mm
- Calibre Class.22 caliber
- Bullet Weight2.6 g
- RimfireYes
▣Operation3MOD.3
- Action TypeBolt Action
- Feed SystemDetachable Magazine
- Magazine Capacity6
◇Ballistics2MOD.2
- Muzzle Velocity123 m/s
- Effective Range (point)123 m
◆Barrel & Sights3MOD.3
- Barrel Length609.6 mm
- Sight TypeLyman aperture
- Iron SightsYes
▤Construction1MOD.1
- Furniture Materialwalnut stock
⬢Production & Cost3MOD.3
- Total Production66,338
- Production Start1947
- Production End1969
03 / History
SERVICE LIFESPANStill in Service
- 1947Production started
- 1969Production ended
79
years in service
22
years in production
66,338
units produced
2
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
BOLT-ACTION RIFLES RANKING Bolt-Action Rifles · Early Cold War
MASS RANKINGSMASS ↗
214BOLT-ACTION RIFLES21EARLY COLD WAR · BOLT-ACTION RIFLES1489UNITED STATES · ALL WEAPONS87PERFORMANCE/PRICE · BOLT-ACTION RIFLES
ⓘ Rankings are within theBolt-Action Riflescategory.
📖 TERMS ON THIS PAGE4terms
A bolt action is a type of firearm action that requires the user to manually cycle the bolt to load and eject cartridges. It is uncommon in pistols.
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
Rimfire: a type of ammunition in which the primer is located in the rim of the cartridge case and is ignited by the firing pin striking the rim.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources