475 Linebaugh – Rifle

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Warning: Bullet selections are specific, and loads are not valid with substitutions of different bullets of the same weight. Variations in bullet length will alter net case capacity,  pressure and velocity. Primer selection is specific and primer types are not interchangeable. These are maximum loads in my firearms and may be excessive in others. All loads should be reduced by 5% as a starting point for development where cartridges have greater than 40 grains in capacity and 10% for cartridges with less than 40 grain capacity following safe handloading practices as represented in established mainstream reloading manuals. Presentation of these loads does not constitute a solicitation for their use, nor a recommendation.

 

475 Linebaugh – SAAMI MAP 50KPSI
Firearm Ruger No.1
Barrel Length 20.00″
Max Case Length 1.400″ +0.000″/-0.020″
Min – Max COL 1.765″ +0.000″/-0.100″
Primer CCI 350 (LPM)
Bullet Diameter 0.4755″ +0.000″/-0.0030″
Reloading Dies Lee 480 Ruger

 

Bullet Type Bullet
Weight

Grains
Net H2O
Grains
Capacity
COL” Powder Type Powder
Charge

Grains
Muzzle
Velocity

fps
Muzzle
Energy

ft/lbs
Speer Deep Curl 275 36.2 1.760 Alliant 2400 30.5 1965 2358
Speer Deep Curl 275 36.2 1.760 H110 37.0 2091 2671
Speer Deep Curl 275 36.2 1.760 Win 296 37.0 2079 2649
Lehigh Xtreme
300
26.5
1.760
AA #9
 24.0 1654
1823
Lehigh Xtreme 300
26.5
1.760
 Alliant 2400
24.5
1696 1917
Lehigh Xtreme 300
26.5
1.760
 RS Enforcer
25.0
1647
1807
Speer Deep Curl 325 31.3 1.760 Alliant 2400
27.5 1760 2236
Speer Deep Curl 325 31.3 1.760 H110 32.0 1865 2511
Speer Deep Curl 325 31.3 1.760 Lil’ Gun 31.0 1913 2642
Speer Deep Curl 400 25.2 1.760 Alliant 2400 22.5 1563 2225
Speer Deep Curl 400 25.2 1.760 H110 26.0C 1624 2402
Speer Deep Curl 400 25.2 1.760 Lil’ Gun 26.0C 1607 2352
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