Factory Installed in P308s  PRIOR to October 2012.

.308 Carbine Buffer   2.5″ overall length

POF 308 buffer

CRE at right side view

CRE at bottom

6-Position Buffer Tube

.308 Carbine Action (Buffer) Spring

~10.25-10.5″ free length — 29-30 coils

223 buffer spring

Factory Installed in P308s AFTER October 2012.

.223 Carbine Buffer 3.25″ overall length

POF 223 buffer

CRE 1 right side view

CRE 1 at bottom

7-Position Buffer tube

.308 A2-Style Buffer Spring

~12.5-12.75″ free length — 38-39 coils

fixed spring correct

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