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AR15 Lower Parts Kit, Butt Stock, Buffer Tube Assembly - CMMG
$174.95 $139.95 (You save $35.00)
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Free Shipping on all orders $250+!


SKU: 55CA6C5_28754_31516

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.

Lower Parts Kit

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
  • Magazine Release Button
  • Trigger Guard
  • Trigger Guard Roll Pin

Green Bag

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


  • Hammer
  • Pistol Grip
  • Trigger

Butt Stock Kit

This butt stock kit includes both an adjustable carbine stock and buffer tube assembly. The Blackhawk adjustable carbine stock is contructed from a durable polymer composit and is designed for quick adjustment. Additionaly, 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, Butt Stock, Buffer Tube Assembly - CMMG

$174.95 $139.95 (You save $35.00)
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Free Shipping on all orders $250+!

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