My Cart

You have no items in your shopping cart.

60 Day Returns

No restocking fees See Details.

No-Hassle Guarantee

Best customer service See Details.

Ships from $4.99

On most items See Details.

Product was successfully added to your shopping cart.

CMMG Mk3 Lower Parts Kit

CMMG Mk3 Lower Parts Kit « »

UPC: 852005002097


64.99 $64.99

Save $15.00

Availability: In stock

This kit includes:

  • 1 bolt catch
  • 1 bolt catch screw-in pin
  • 1 bolt catch plunger
  • 1 bolt catch spring
  • 1 trigger
  • 1 trigger spring
  • 1 disconnector
  • 1 disconnector spring
  • 1 hammer
  • 1 hammer spring
  • Trigger/hammer retaining pins
  • 1 safety selector with detent and spring
  • 1 magazine catch with spring and release button
  • Pivot/takedown pins with detents and springs
  • 1 A2-style pistol grip with grip screw and washer
  • 1 buffer retainer/spring
Shipping Restrictions

Keep some backup parts on hand or dive into your next rifle build with the CMMG® Mk3 Lower Parts Kit. This lower parts kit features convenient color-coded packets to help simplify assembly and is compatible with mil-spec lower receivers. What’s more, this parts kit is backed by CMMG’s Lifetime Quality Guarantee so you can get the most out of your rifle build. This kit includes 1 bolt catch, 1 bolt catch screw-in pin, 1 bolt catch plunger, 1 bolt catch spring, 1 trigger, 1 trigger spring, 1 disconnector, 1 disconnector spring, 1 hammer, 1 hammer spring, trigger/hammer retaining pins, 1 safety selector with detent and spring, 1 magazine catch with spring and release button, pivot/takedown pins with detents and springs, 1 A2-style pistol grip with grip screw and washer, and 1 buffer retainer/spring. Order now!

Get 10% Off
Your Next Order Over $100.
Sign up now to receive exclusive offers and the newest arrivals straight to your inbox.
Coupon expires in 14 days. Limit one per customer. Not applicable toward tax, shipping, or ammunition orders. Cannot be combined with other offers or promotions. Certain brands and products may be excluded from this offer. Additional restrictions and exclusions may apply.