Check your manual to confirm fit.  Most likely fits:

Fits Paslode 3150 Series such as:  3150 S16; 3150/38 16; 3150 W16R; 3150/W16; 3150/38 W16BF; 3150/38 W16R; 3150/38 116; 3150/38 118Q; 3150/38 N18; 3150/38 S16; 3150/38 S16Q; 3150/38W16Q; 3150/38 W16; 3150/38 W16DL; 3150/38 W16RQ; 3150/38 118; 3150 N18; 3150/38 N18Q

Fits Paslode 3175 R; 3175 RC; 3175 RCU; 3175 RCQ

Fits:  Paslode 3200 Series such as:  3200/50 C; 3200/50 CP; 3200/50 CPQ; 3200/50 I16P; 3200/50 W16; 3200/50 W16Q; 3200/50 CQ; 3200/50 I16PQ; 3200/50 S16PQ; 3200/50 W16DL

Fits Paslode 3250 Series such as: 3250 F14; 3250/65 F14Q; 3250 F16; 3250/65 F16; 3250/65 F14