F-1 Firearms Gun Builders Lower Parts Kit

AR-15 Gun Builders Kit Includes:

• 1 bolt catch
• 1 magazine catch
• 1 pivot pin,
• 1 takedown pin,
• 1 magazine catch spring,
• 2 trigger pins,
• 1 buffer retainer,
• 1 magazine release button,
• 1 bolt catch spring,
• 1 buffer retainer spring,
• 1 selector hard detent,
• 1 selector soft detent,
• 2 take down/pivot detents,
• 1 bolt catch plunger,
• 1 bolt catch screw,
• 1 selector detent spring,
• 1 receiver pivot detent spring,
• 1 take down detent spring,
• 1 safety selector assembly (1 long paddle, 1 short paddle, 1 tumbler and 2 screws)