HK Pistol Parts
- Accessories
- Magazines
- HK VP9
- HK VP40
- HK 94
- MP5 SD
- MP5 Clones
HK .22lr Rifles
- HK MP5
- HK 416
- GSG522
- SP89, MP5K-N
MP5 40
- MP5 10
- MP5 .357
- Brugger & Thomet
HK 91
- HK G3
- PTR 91
- CETME, C308
HK 93
- HK 33
- HK 53
- Vector Arms V53 V93
- C93
HK MR556
- HK 416
- HK 416A5
- HK CR556
HK MR762
- HK 417
- HK MR762 LR
HK G36
- HK G36K
- HK G36C
- HK SL8
HK USC Carbine
- HK UMP 45
- HK UMP 40
- HK UMP 9mm
- MSG90
HK 21
- HK 21E
- HK 23E
- HK 11
HK Apparel
- Shirts
- Hats
HK Aficionado
- Posters
- Stickers
- Calendars
HK Knives
- Benchmade
HK 300
- HK G41
- HK SL6
Recently Added Products
Glock Parts
Sig Parts
AR-15, AK-47
Clipped & Pinned Services
Pre-owned HK Products
Emergency Preparedness
Gift Certificates

HK 3 Lug Adapter 13.5 X 1 - SIG MPX

SKU: HKP-17410

13.5/1mm LH - 3 Lug 9mm Adapter - SIG MPX

HK 3-Lug Adapter that is threaded internally with 13.5 X 1 threads to attach to existing 13.5 X 1 Left hand threaded applications. Allows the use of 3-lug attachments to be added to the male end of the adapter such as flash hiders, compensators, suppressors, etc.

This is the finest machined HK 3 lug adapter available on the market today. Made 100% in the USA and built to factory HK German 3-lug specifications. Finished in the ultra desirable "Nitride" finish. This item is only available at HK parts.

Overall Length: 1.41"

13.5X1mm LH- 3 lug 9mm adapter is ideal for:

  • Sig MPX
  • Glock
  • Sig
  • Other applications where the 13.5 X 1 threaded barrel to 3-lug tip is required

Origin: USA
Price: $49.95
In Stock
Save to my Wish List
HK 3 Lug Adapter 13.5 X 1 - SIG MPX
HK 3 Lug Adapter 13.5 X 1 - SIG MPX
Previous Item   Next Item

Product Reviews

Write your own review

"Perfect adapter for my SIG MPX and other 13.5X1 projects"

Tim Blythe on 2/28/2016 10:02:13 AM

Overall Product Rating:

I have many 3-lug adapters that I have purchased from many sources though the years. This adapter is by far the tightest fitting (in a good way) adapter. The price was much less than the others offering out there as well by $20. This units fits my SIG MPX 9mm and my Silencerco & AAC cans perfectly. The speed in which these guys processed and shipped my order was mind blowing! I ordered on a Saturday and I had in Monday when I got home from work. Simply a fantastic transaction from start to finis... More details

"Still Going Strong"

James O on 10/18/2018 8:35:12 AM

Order Fulfillment:

Desired Compatibility:


Product Quality:

Overall Product Rating:

After 2k rounds, multiple mount/dismount of suppressors this 3 lug adapter shows almost no wear. Outstanding product best 3 lug for MPX series.

"Shhhhhhhh.....SIG MPX"

Joe on 10/22/2015 6:35:00 PM

Overall Product Rating:

Perfect..put on SIG MPX with Silencer Octane works GREAT

"MPX 3 Lug"

Brad Laursen on 1/29/2019 10:59:11 AMVerified

Order Fulfillment:

Desired Compatibility:

Sig Sauer MPX

Product Quality:

Overall Product Rating:

Works perfectly, highly recommend!