JMac - MDi-co

Green AB-9R with Folding Buttplate and 1913 Folding Mech

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Current Stock:
11.00 Ounces
1913 Adapters
Add a Cheek Riser

If your firearm doesn't already have a 1913 attachment rail on the rear choose the appropriate adapter above!

(A)rm(B)ar(9)inch(R)ise + AB-FB Folding Buttplate + JMac 1913 Folding Mech (individual items arrive not assembled)

AB-9R - Lightweight and Rigid!

  • Modular Design - Brace/Stock with many mounting options
  • Integrated QD Sling Socket
  • 9" Length
  • 7075 T6 Aluminum
  • Hard-Coat Green Anodized (color may vary)

The AB-FB Folding Buttplate mounts to the end of any of our AB (Arm Bars) extensions and configures it as a stock!

  • Folds to prevent snagging while pulling from a bag
  • Folds clear of drum mags
  • 7075 T6 Aluminum
  • Hard-coat Anodize
  • Includes Mounting Hardware (Pin, Clip, and Spring)

FM-SM-1913 - 1913 Folding Mechanism

  • Clamps on any "1913" or "Picatiny" Rail
  • Works with all of our ArmBar, Skeleton Stocks and Skeleton Tubes
  • Works with SIG MPX/MCX folding braces/stocks
  • Folds Left or Right
  • Has 2 height adjustments
  • 4140 HT
  • Black Nitdride    
  • Torque spec: 20 in/lb.
  • Adds approx .5" to stock/brace length
  • Allows your stock/brace to lock in the folded position



Installing a stock on your pistol makes it an SBR. You are responsible for knowing and following your local/state/federal laws!

JMac Customs LLC is not responsible for the end users misuse  of our products.


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