.260 Remington

Technical Specifications

 

Country of Origin United States
Diameter – Bore .256” (6,50mm)
Diameter – Groove .264” (6,71mm)
Introduced 1997
Pressure – Max Average 60,000 psi (415 MPa)
Regulators SAAMI & CIP
Groove Details 6 x .095” (2,41mm)
Shellholder – RCBS 3
Twist – Proof Barrel 1:9” (228mm)
Cartridge Essentials

 

Action Size Recommended Miniature length & .223 bolt face
Barrel Life 2,500 – 3,500 rounds
Case – Taper 69°
Case – Neck Length .2595” (6,591mm) = 98,3%
Case – Trim Length 2.027” (51,49mm)
Parent Case .308 Winchester
Relative Capacity 53.5 gr of water (3,474 cc)
Shoulder Angle 20°
Typical Factory Load Guidelines for Africa
Brand Name Bullet Weight Bullet Description Velocity Fps Energy Ft/Lb Trauma Potential 100% Expansion
Federal 140-gr Vital Shok GameKing 2,700 fps 2,267 ft/lb 33.8
Remington 140-gr Premier Core Lokt 2,750 fps 2,352 ft/lb 34.1
Nosler 125-gr Gr Partition 2,950 fps 2,416 ft/lb 36
Federal 120-gr Vital Shok BallisticTip 2,950 fps 2,319 ft/lb 34.6
Remington 120-gr Premier AccuTip 2,890 fps 2,226 ft/lb 33.2
Optimum Game Bullet Optimum Application Bands (140-gr averaged)
Band Velocity Parameters Start End
Red-Band ( > 2,600 fps) 0 yds ± 65 yds
Green-Band ( ≤ 2,600 fps – ≥ 2,200 fps) ± 65 yds ± 250 yds
Amber-Band ( ≤ 2,200 fps – ≥ 2,000 fps) ± 250 yds ± 345 yds
Bullet Recommendations for Africa
Game Any premium fourth generation plus to seventh generation bullets
Game Weight Recommendations
≤ 350lb ( ≤ 160kg)
Most Suitable African Species (assuming legality)
Plains Game Addax, antbear, Arabian oryx, black , blesbok, bontebok, bushbuck, bushpig, hartebeest, cheetah, , lechwe, nyala, puku, reedbuck, sitatunga, spotted hyena, tsessebe and warthog
Optics Guidelines
Eye Relief Non critical
Exit Pupil ≤ 3mm
Magnification: Red-Band ≥ 2x
Magnification: Green-Band ≥ 7x – ≤ 8x
Magnification: Amber-Band ≥ 12x – ≤ 14x
Objective Lens ≥ 40mm – ≤ 56 mm
Parallax Adjustability Yes
Reticules Duplex
Handloading Guidelines
Load Development 0.5 grain increments
Primer Standard Large
Propellant Range Faster end of Ultra-slow-burning rifle propellants: ≥Hodgdon H-4831 – ≤Hodgdon H-1000
Tips Accurize handloads