So I decided to go shooting today. Noticed that my bolt won't lock back on the last shots which pissed me off because I spend good money.
I tried different magazines (gen 2 and 3 pmags). Ammo was federal 55gr 5.56 fmj.
Was thinking either it's the ammo, the buffer spring is to strong, buffer to heavy or something wrong with the bolt catch.

It catches when I put an empty mag and rack it manually.


Specs:
Spikes tactical gen 2 billet lower
Damage industries enhanced carbine buffer spring
Spikes tactical t2 buffer

Upper:
Long dog tactical bcg
Daniel defense 14.5" mid length pinned spikes tactical barking spider 2 pin/weld


What do you guys think?


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