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8" Arm Bar Brace
AB8RBAMSRP $144.90 - $330.80The JMac Customs® 8" Arm Bar offers unparalleled adaptability, allowing for seamless conversion between a brace or stock. This configuration includes our brace adapter ideal... -
9" Arm Bar Stock
AB9R+ABFBMSRP $207.90 - $398.80The JMac Customs™ 9" Arm Bar stock features a modular design allowing for seamless conversion between a brace or stock. This configuration includes the Folding Buttplate, -
8" Arm Bar Stock
AB8R+ABFBMSRP $199.90 - $390.80The JMac Customs™ 8" Arm Bar stock features a modular design allowing for seamless conversion between a brace or stock. This configuration includes the Folding Buttplate,... -
8" Arm Bar (GEN 1)
AB8MSRP $104.95 - $391.80The JMac Customs™ 8" Arm Bar offers unparalleled adaptability, allowing for seamless conversion between a brace or stock. This configuration includes our brace adapter ideal... -
Stock | Brace Mount
SMMSRP $34.95 - $89.95This page allows you to purchase the JMac Customs™ stock|brace mount à la carte. To buy it as part of a complete build, please visit our Stock and Arm Bar pages. A way to mount JMac and SIG style...
Description
The JMac Customs™ 9" Arm Bar offers unparalleled adaptability, allowing for seamless conversion between a brace or stock. This configuration includes our brace adapter ideal for installation of the GearHead Works Tail Hook Brace. This arm bar can also be used in a stock setup when paired with a Folding Buttplate (sold separately).
Lightweight yet exceptionally rigid, the Arm Bar excels in both form and function.
Key Features:
- Modular Design: Convert between brace and stock with multiple mounting configurations
- Raised Design allows for better arm fitment under the brace
- Drilled and tapped for cheek risers
- SIG Folding Mechanism Compatibility for smooth, reliable folding.
- 1 threaded hole for mounting bolts (included)
- Can be adjusted up and down for height
Specifications:
- 7075 T6 Aluminum for superior strength-to-weight ratio
- Type 3 Hard-Coat Anodized finish for enhanced durability and corrosion resistance
| 9" Arm Bar Brace | Compatibility | Weight |
| 9" Arm Bar (All Colors) | SM | FM-SM-1913 | FM-SM-MRKT Folding Mechs and Adapters | 3.5 OZ |
| Arm Bar Brace Adapter (AB-BA) | SM | FM-SM-1913 | FM-SM-MRKT Folding Mechs and Adapters | 1.3 OZ |
| FM-SM-1913 | MIL-STD-1913 Receivers and Adapters | 4.48 oz |
| SM-4.5 | AK100 Series - 4.5MM Pin / Bulgarian|PSA|Riley | 1.3 OZ |
| SM-5.5 | AK100 Series - 5.5MM Pin / Russian|KUSA|Saiga | 1.4 OZ |
| SM-SF | Arsenal SAM7 with Folding Stock | 1.02 OZ |
| FM-SM-MRKT | JMAC IMR MRKT Receiver and MRKT Rear Trunnions | 5.28 OZ |
| CRIM25 | AB|SS|TS Stocks and Brace Extensions | 0.4 OZ |
| CRIM50 | AB|SS|TS Stocks and Brace Extensions | 0.4 OZ |
| CRIM75 | AB|SS|TS Stocks and Brace Extensions | 0.5 OZ |
Attaching a stock to a pistol creates an SBR, requiring NFA approval. Follow all local/state/federal laws.
JMac Customs™ offers Black, Green, and Tan finishes, uniquely formulated for our brand. Anodized colors may vary due to batch differences and lighting conditions, making each piece one-of-a-kind. Green and Tan are limited availability and may not always be in stock. By purchasing, you acknowledge and accept natural color variations.