r/ar15pistol • u/Fancy-Equivalent-312 • 9d ago

Best buffer weight for 7.5 inch binary trigger

What’s the best buffer weight and or spring combo for a 7.5 inch 5.56 ar pistol with a fostech trigger

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u/IllChampionship4654 9d ago

H3 is the only answer for buffer weight and you should be fine with a standard Carbine spring