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PRODUCT #38CA6DC

Lower Parts Kit, Mk3

$79.95

$79.95

AR Parts Notice - State/local restrictions may apply in CT, DC, IL, MA, NJ, NY, or WA. Customers must review our Shipping Policy prior to ordering.

Lower Parts Kit, Mk3

All the parts you need to get started on your Mk3 build in convenient color-coded packets to simplify assembly. Compatible with CMMG® Mk3 and most LR-308 type lowers. Check out our LPK Install resource article for an interactive assembly video and in-depth breakdown. Combine this kit with a Buttstock or Brace kit to complete your lower group. All CMMG products come with our Lifetime Quality Guarantee.

Kit Includes:

  • Bolt catch
  • Bolt catch screw-in pin
  • Bolt catch plunger
  • Bolt catch spring
  • Trigger
  • Trigger spring
  • Disconnector
  • Disconnector spring
  • Hammer
  • Hammer spring
  • Trigger/hammer retaining pins
  • Safety, detent, & spring
  • Magazine catch, spring, & release button
  • Pivot/takedown pins, detents, & springs
  • A2-style pistol grip/grip screw & washer
  • Buffer retainer/spring

**Not all 308 lowers are the same. Our kit is designed to work with our lowers and are “Mil-Spec”. We would recommend checking with the manufacturer of your lower for compatibility of parts if you are not using our receiver**

Technical Specifications

Platform Mk3
Pistol Grip CMMG A2
Trigger Type Mil-Spec Single Stage

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