
EFK Fire Dragon FN Five-Seven Thread Adapter, 10x1mm to 1/2-28 RH
Code: FNA57
Ratings Snapshot
out of 5
5
(1)
4
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3
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1
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Would recommend this product.
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$29.99
Product Description
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Description: EFK Fire Dragon FN Five-Seven Thread Adapter, 10x1mm to 1/2-28 RH. Convert the thread pitch of your FN Five-Seven pistol to 1/2" x 28 TPI with this adapter. Constructed from 416 stainless steel with a black finish, the adapter comes with standard 10x1 mm RH thread to 1/2" x 28 RH threads and is designed for use with the Silencerco 22 Sparrow or Spectre II suppressor. Not needed with the Gemtech 5.7 suppressor. Includes a matching black thread protector. Proudly made in the U.S.A.
Features:
- Fits FN Five-Seven - 5.7x28mm
- CNC Machined 416 Stainless Steel
- 10 x 1mm RH to 1/2" x 28 RH TPI
- Includes Thread Protector
- Made in the U.S.A.
Manufacturer: EFK Fire Dragon
PRODUCT SPECIFICATIONS:
- Barrel Thread Pitch: 1/2" x 28 TPI
- Brand: EFK Fire Dragon
- Caliber: 5.7x28mm
- Finish / Color: Black
- Firearm Type: Pistol
- Material: Steel
- Models Fit: FN Five-Seven
Specifications
•••••
- Barrel Thread Pitch: 1/2" x 28 TPI
- Brand: EFK Fire Dragon
- Caliber: 5.7x28mm
- Finish / Color: Black
- Firearm Type: Pistol
- Material: Steel
- Models Fit: FN Five-Seven
Customer Ratings & Reviews
•••••
Ratings Snapshot
out of 5
5
(1)
4
(0)
3
(0)
2
(0)
1
(0)
Would recommend this product.
0%
out of 5
5
(1)
4
(0)
3
(0)
2
(0)
1
(0)
Would recommend this product.
0%
1 Total Reviews
Replacement for a part I misplaced
Big A
Location: NWFL
Date: June 19, 2026
As always outstanding products and customer service!
1 Total Reviews