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AR15 Lower Parts Kit (California-Compliant), Butt Stock, Buffer Tube Assembly
$249.95 $205.95 (You save $44.00)
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Free Shipping on all orders $250+!


SKU: 55CA6C5_28754_31516_CA

No 80% Lower Receiver build is complete without a butt stock assembly - and this one comes with all you need: lower parts kit, butt stock, buffer tube assembly.

CMMG Lower Parts Kit (California-Compliant) Includes:

Clear Bag

  • Pivot Pin
  • Pivot Pin Detent
  • Pivot Pin Detent Spring
  • Takedown Pin
  • Takedown Pin Detent
  • Takedown Pin Detent Spring

Yellow Bag

  • Bolt Catch
  • Bolt Catch Plunger
  • Bolt Catch Roll Pin
  • Bolt Catch Spring
  • Buffer Retainer
  • Buffer Retainer Spring

Red Bag

  • Hammer Pin
  • Hammer Spring
  • Trigger Pin
  • Trigger Spring
  • Disconnect
  • Disconnect Spring

Blue Bag

  • Magazine Catch
  • Magazine Catch Spring
  • Trigger Guard
  • Trigger Guard Roll Pin

Green Bag

  • Safety Selector
  • Selector Detent
  • Selector Detent Spring
  • Pistol Grip Lock Washer
  • Pistol Grip Screw


  • California-Compliant ARMaglock Kit
  • Hammer
  • Pistol Grip
  • Trigger

The ARMaglock is the solution to fixed magazine regulations. It allows your AR to remain California-Compliant while improving the speed at which you can remove and re-insert magazines.

Butt Stock Kit

This butt stock kit includes both an adjustable carbine stock and buffer tube assembly. The Blackhawk adjustable carbine stock is constructed from a durable polymer composite and is designed for quick adjustment. Additionally, this carbine butt stock offers three different sling attachment options.

Buffer Tube Assembly

The PSA buffer tube assembly provides a mil-spec diameter 7075 buffer tube, lock ring & castle nut, latch plate, buffer housing and buffer spring.

Purchase this butt stock assembly today for your next 80 lower receiver build.

No FFL Required Made In The USA Lifetime Warranty

AR15 Lower Parts Kit (California-Compliant), Butt Stock, Buffer Tube Assembly

$249.95 $205.95 (You save $44.00)
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Free Shipping on all orders $250+!