Stock Retaining Nut
Schematic Reference:17 and 30 and 107, A40030, Xtrema107, A30417, A39017, A39117, AL39117, A300030, A400LC30, A400LS30, A400UL30, A400UP30, A400XM30, A400XP30, A400XS30, A400BE30
Part: C97174
Beretta for A400 - Xtrema - A304 - A390 - A391 - AL391 - A3000 - A400LC - A400LS - A400UL - A400UP - A400XM - A400XP - A400XS - A400BE
Threads on to the recoil spring cap
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