Thread: Forbes 280AI Load Development

160gn TMK 3050fps 61.5gn N560.

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Looks decent mate and looks like the low talleys worked well?

I had a few sticky extractions on hotter loads, may have been the brass but I borrowed a small base die and it seemed to solve problem

Hey Jock...yep just fits. Will looks into that die, not familiar with those.

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A-Tec Forward 45 QD suppressor added. 61gn RE26 and 162gn ELDM.




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@Tikka7mm08 what length barrel? Have just bought 162 eldms and n560

24" - N560 is good but RE26 is more temp stable. First 2 shots are the right, third went left. Around 0.3MOA.

Originally Posted by GWH

Whats the length of barrel mate, seems pretty slow. Mates 280AI could run the 162 Amax at over 2900 no problem with a 24" barrel. Think he was up closer to 3k at one point, but 2900 gave better accuracy.

He wasnt using either of those powders tho.

Been using Reloder 23 in my Kimber Hunter .280 AI (24 inch barrel) with 160gr Sierra TMK's and 58.5 grs gets me to 2958fps without pressure signs and consistent 3/4 MOA. Just got rifle back from Gunsmith who bedded / threaded so be interesting to see if it shoots any tighter. Also have 2kg of N560 to try as well.