Armory Dynamics 380 ACP Glock BCG for the AD-9 AR Receiver with Last Round Bolt Hold Open in the lower receiver.


  • Compatibility: Carrier Fits the Armory Dynamics AR15/M4 Glock and Style Rifles & Pistols
  • Type: Blowback
  • Rating / Cut: Full Auto Rated & Ramped for Standard AR Hammer
  • Material: Case Hardened 8620 Steel
  • Finish: Black Nitrite *SBN
  • Gas Key: 4140 Steel Attached with Grade 8 Hardware / Black Nitrite SBN
  • Counterweight: Carbon Steel, Black Nitrite SBN (Removable)
  • Firing Pin: 416 Stainless Steel, Machined, Heat Treated, Shot Peened, Manganese Phosphate Finish
  • Total Weight: 14.5 ounces
  • Removable Carrier Weight
  • Made In USA

*(SBN) Salt Bath Nitride – Black nitriding is a thermal chemical diffusion of nitrogen and carbon into the surface of the steel. This process increases wear-resistance, fatigue strength, corrosion resistance, lubricity and cosmetic appeal.

1 in stock


Armory Dynamics


380 ACP Glock

AR & AK Parts Item Type

Bolt Carriers

Armory Dynamics

Armory Dynamics Manufactures Quality Ar's and components. We also provide many associated product around the AR platform.

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Shipping Policy

Shipping Time -- Most orders will ship the next business day, provided the product ordered is in stock. Orders are not processed or shipped on Saturday or Sunday, except by prior arrangement.

Orders are not process during federal or national holidays

We cannot guarantee when an order will arrive by the carrier. Consider any shipping or transit time offered to you by this site or other parties only as an estimate. We encourage you to order in a timely fashion to avoid delays caused by shipping, carrier delays or product availability.  Holiday shipping and inclement weather may increase shipping time and routing of packages. We cannot refund shipping charges due to carrier shipping delays.

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Returns & Cancellations

We will gladly accept the return of "Armory Dynamics" products that are defective due to defects in manufacturing and/or workmanship . Fulfillment mistakes that may be made which result in the shipment of incorrect products to you will also be accepted for return. Damages or defects must be reported within three days of receipt. Item must be returned for inspection prior to any refund. No returns after 14 days. Other returns are subject to a 20% (30% for FFL transferred items) restocking fee and shipping charges are non refundable. Cancelling an order prioer to shipping are suject to 20% restocking fee.

Items cannot be returned and are considered used once factory packaging is opened. We also carry and use and ship products from other manufactures. Contact the manufacturer of the product directly for warranty consideration.

Shipping charges are still incurred on item shown to have free shipping. Any shipping charges are non-refundable and are deducted prior to restocking fee.

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Order Acceptance

Your receipt of an electronic or other form of order confirmation does not signify our acceptance of your order, nor does it constitute confirmation of our offer to sell. Armory Dynamics reserves the right at any time after receipt of your order to accept or decline your order for any reason or to supply less than the quantity you ordered of any item.


Our store will automatically charge and withhold the applicable sales tax for orders to be delivered to addresses within the same state/province where Armory Dynamics holds a presence. For orders shipped to other areas, you (the shopper) are solely responsible for any sales taxes and/or other taxes that may apply.


In the event a product is listed at an incorrect price due to typographical error or error in pricing information received from our suppliers, Armory Dynamics shall have the right to refuse or cancel any orders placed for products listed at the incorrect price. Armory Dynamics shall also have the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. If your credit card has already been charged for the purchase and your order is canceled, Armory Dynamics will issue a refund to your card in the amount of the incorrect price.

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