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Questions & Answers
will it fit the PSA AK 103 ? Expert Answer

No, the correct 1913 adapter for a PSA AK103 can be found linked below:
https://www.opticsplanet.com/jmac-customs-1913-adapter-for-4-5-folding-aks.html

by Ethan, Gear Expert, November 14, 2024
with this adaptor fit the KR-103 Expert Answer

Yes, the JMac Customs 1913 Adapter for 5.5 Folding AKs is compatible with the KUSA KR-103, as well as the KP9 and KR9.

by Ethan, Gear Expert, July 25, 2023
Customer Reviews
Most Recent Reviews
Made with quality material by Mustafa Juma, Verified Owner, May 11, 2025
Perfect fitment I used it on my Kalashankov USA. Definitely made with quality material.
Most Recent Reviews
JMac 1913Adapter for 5.5 Folding AK by Johnny, Verified Owner, October 12, 2024
Fits perfectly in my Kalashnikov KR103 just that the picture was completely different from what I received but it worked amd fits perfectly.
Most Recent Reviews
Excellent adapter by DD77, Verified Owner, April 22, 2024
This adapter is absolutely necessary for the addition of the a3 tactical brace for a KP-9. Very easy installation and use! Definitely recommend!
Most Recent Reviews
Perfect 1913 by Smash, Verified Owner, March 23, 2024
This Jmac is perfect. I bought it for the kp9 so i could attach a brace/stock. The 5.5 was easy peazy to install on the kp9. It feels like a sold, well-made part.
Most Recent Reviews
Solid Piece by Ducktapeonnydesk, Verified Owner, January 14, 2024
It's a solid piece and is high quality. Looks like it will stand the rest of time.
Read All 5 Reviews
Condition: New Color: Black Gun Make: Kalashnikov

Code: 4VI-STA-JMC0360-RSA-5-5

MPN: RSA-5.5

List: $79.95Save 10%
$71.96

Product Info for JMac Customs 1913 Adapter for 5.5 Folding AKs

(R)ailed(S)tock(A)dapter(5.5)mm rear trunnions7075 aluminumBlack hardcoat anodize finish. This version of the RSA stock adapter will be specifically made for the Russian 5.5mm pin folding stocks. 5.5mm trunnions can be found in the SGL (Saiga) rifles and on the new KUSA vityaz clone, not to mention, the trunnion itself is more readily available than the 4.5mm version.This stock adapter, like the rest of the RSA line, will allow you to install 1913 stocks/braces Cheek wield is adjustable by moving the stock/brace up or down on the rail.image

Specifications for JMac Customs 1913 Adapter for 5.5 Folding AKs:

Manufacturer: JMac Customs
Condition: New
Color: Black
Gun Make: Kalashnikov
Gun Type: Rifle
Fabric/Material: 7075-T6 Aluminum
Mount Type: AK Mount

Features of JMac Customs 1913 Adapter for 5.5 Folding AKs

  • 1913 Adapter for 5.5 Folding AKs

Package Contents:

  • JMac Customs 1913 Adapter for 5.5 Folding AKs

JMac Customs 1913 Adapter for 5.5 Folding AKs Orderable Models

List of Orderable Models

  • JMac Customs 1913 Adapter for 5.5 Folding AKs, Hardcoat Anodized, Black, RSA-5.5 , MPN: RSA-5.5 , Code: 4VI-STA-JMC0360-RSA-5-5

JMac Customs 1913 Adapter for 5.5 Folding AKs Unavailable & Discontinued Models

List of Unorderable Models

  • USED, JMac Customs 1913 Adapter for 5.5 Folding AKs, Hardcoat Anodized, Black, RSA-5.5 , MPN: RSA-5.5-EDEMO , Code: 4VI-STA-JMC0360-RSA-5-5-EDEMO-RE-C
  • USED, JMac Customs 1913 Adapter for 5.5 Folding AKs, Hardcoat Anodized, Black, RSA-5.5 , MPN: RSA-5.5-EDEMO , Code: 4VI-STA-JMC0360-RSA-5-5-EDEMO-WP-F
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