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Hornady Superformance® 300 RCM 165gr SST®


 Product Description

300 RCM 165 gr SST® Superformance®


The Hornady 300 and 338 Ruger Compact Magnums (RCM) outperform the 300 and 338 Win Mag cartridges, but in a short action rifle with a compact 20” barrel.

This package delivers what all the short fat cartridges don’t – superior ballistic performance in a TRULY compact firearm platform that achieves velocity and performance “as advertised”!


Exceeds 300 & 338 Win Mag performance
Optimized case geometry delivers more velocity with 10-15% less powder
Longer barrel life
Less recoil
Less muzzle blast
Superior temperature stability from -15°F to 140°F (reduced climactic related point of impact change)
Compact Package
Easier to transport in and out of hunting vehicles
Easier to carry
Easier to manipulate in a tree stand or blind
No performance compromises!
It exceeds the performance of much larger and more cumbersome firearm / cartridge platforms, but in an extremely compact package!


The paradigm has shifted! Most magnum cartridges require 24 or even 26 inch long barrels to achieve advertised performance. The Hornady Ruger Compact Magnum cartridges have been purpose built to achieve true Magnum levels of velocity, accuracy and terminal performance in an easy to carry short action gun featuring a compact 20” barrel!

Based on the beltless 375 Ruger case, the 300 and 338 RCMs feature industry leading cartridge geometry that provides for an extremely efficient cartridge case and enables truly phenomenal levels of performance. Coupled with Hornady’s superior bullet offerings, the RCM cartridges deliver unparalleled ballistic performance!

Ruger® has made a number of modifications to the M77® Hawkeye® to create the perfect mate to the new RCM cartridges. The rifles are built around Ruger’s rock solid short action and feature 20” barrels, crisp LC6™ triggers and updated stock dimensions in this fast-handling package that tips the scale at just over 6.5 lbs.


Item Number 82232
Weight 1.49   lbs
H.I.T.S. # (100 Yard Value) 1303
Ballistic Coefficient (G1) .447
Sectional Density .248
Test Barrel Length (inches) 24"
Quantity 20/BX







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