Buffer advice needed

[lone shooter]

So I'm looking to build an AR 9mm pistol. What weight buffer would be best for a AR9 pistol w/ 7.5" barrel?

TIA

[rally200]

I run a Hahn precision pistol cartridge buffer with a standard carbine spring in an pws pistol buffer tube. Using a drop in adapter and metalform mags.


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[jeremyro]

I run a spikes t1 with a standard carbine spring.

[jeremyro]

I find that standard weight with the pistols is your friend.

[lone shooter]

I run a Hahn precision pistol cartridge buffer with a standard carbine spring in an pws pistol buffer tube. Using a drop in adapter and metalform mags.

7 oz.

I run a spikes t1 with a standard carbine spring.

3 oz.

I find that standard weight with the pistols is your friend.

approx 3 to 3.5 oz.