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Buffer Spring For AR-10 Rifle With a Rifle Receiver Extension Tube & Rifle Buffer

Fire4EffectCA

Sergeant of the Hide
Full Member
Minuteman
Nov 28, 2019
323
129
What are others using for a buffer spring replacement for an AR-10 platform with a rifle buffer and rifle receiver extension tube? I have a 27 year old Knight’s SR-25 rifle that uses a rifle buffer and rifle receiver extension tube. I checked Sprinco’s offerings and they do not offer a buffer spring for the AR-10 platform with a rifle buffer and rifle receiver extension tube.
 
I appreciate all the feedback. I have never had any malfunctions with my SR-25, but after 27 years I think it is time to replace it. I see David Tubb’s and Knight’s rifle buffer springs are the same price so I will give David’s a try. I don’t want to start playing around with spacers.
 
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