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Griffin Armament .45 Caliber 3Lug Barrel Adapters Up to 10% Off w/ Free Shipping — 3 models

Special offer available for this product. Click here to see!
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
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Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
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Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828
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Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828

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Questions & Answers
re: MPN:3L45C5824 - is this the correct adapter for 300 Blackout use? Does it require a different suppressor mount than the Griffin 9mm 3 lug adapter? Expert Answer

This model is for .45 ACP caliber barrels. Please email us at TechSales@OpticsPlanet.com so that we can offer some compatible options.

by Nick B., Gear Expert, October 22, 2021
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Customer Reviews
Most Recent Reviews
Griffin produces are awesome by Ben Jimenez, Verified Owner, January 29, 2026
I trust Griffin Armament products they work flawlessly every time. Thank you to Optics Planet for the fast shipping and free returns one of main store to buy different sources of products.
Most Recent Reviews
great products by XJ, Verified Owner, April 24, 2021
Got this adapter for my h&k 45 so I can easily Swap out my suppressor on all my different pistols/rifles. Fit and finish are great. Shipping was fast as always. Top quality as expected from griffin. I have the adapters on all of my firearms now.
Most Recent Reviews
Fits perfectly - M16x1LH by Mike S, June 23, 2020
I picked this up for my Kriss Vector SDP. I ordered the M16x1LH, and it went right on with no issues. I plan on leaving it on over the thread cap that comes with the Vector, as the barrel is already almost flush with the receiver. The Griffin Adapter...
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Product Info for Griffin Armament .45 Caliber 3Lug Barrel Adapters

The .45 3 Lug adapters are only compatible with the Griffin .45 3 Lug Interface Assembly.image

Made from 17-4ph stainless and Melonite QPQ treated.

Specifications for Griffin Armament .45 Caliber 3Lug Barrel Adapters:

Manufacturer: Griffin Armament
Color: Black
Finish: Melonite QPQ
Fabric/Material: 17-4PH Stainless Steel

Features of Griffin Armament .45 Caliber 3Lug Barrel Adapters

  • Thread Pitch:.578
  • Caliber:.45
  • Thread Pitch:16x1mm LH
  • Thread Pitch:5/8x24
  • Attachment System:3 Lug
  • Type Of Part:3 Lug

Package Contents:

  • Griffin Armament .45 Caliber 3Lug Barrel Adapters

Griffin Armament .45 Caliber 3Lug Barrel Adapters Orderable Models

List of Orderable Models

  • Griffin Armament 3 LUG Adapter .45CAL 16x1 LH, Black, 3L45C161LH , MPN: 3L45C161LH , UPC: 791154081938 , Code: 28N-BRD-GRI201-3L45C161LH
  • Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828 , MPN: 3L57828 , UPC: 791154081723 , Code: 28N-BRD-GRI201-3L57828
  • USED, Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828 , MPN: 3L57828-EDEMO , Code: 28N-BRD-GRI201-3L57828-EDEMO-RE-A

Griffin Armament .45 Caliber 3Lug Barrel Adapters Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Griffin Armament 3 LUG Adapter .45CAL .578x28, Black, 3L57828 , MPN: 3L57828-EDEMO , Code: 28N-BRD-GRI201-3L57828-EDEMO-RE-B
  • USED, Griffin Armament 3 LUG Adapter .45CAL 5/8x24, Black, 3L45C5824 , MPN: 3L45C5824-EDEMO , Code: 28N-BRD-GRI201-3L45C5824-EDEMO-IN-C
  • USED, Griffin Armament 3 LUG Adapter .45CAL 5/8x24, Black, 3L45C5824 , MPN: 3L45C5824-EDEMO , Code: 28N-BRD-GRI201-3L45C5824-EDEMO-OB-C
  • Griffin Armament 3 LUG Adapter .45CAL 5/8x24, Black, 3L45C5824 , MPN: 3L45C5824 , UPC: 791154081716 , Code: 28N-BRD-GRI201-3L45C5824
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