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Magpul Industries  |  SKU: RSR-MPIMAG1441BLK

Magpul – UCS Universal Carbine Stock, M1913 Picatinny

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Description

Extreme Adjustability. Maximum Compatibility.

The Magpul UCS™ (Universal Carbine Stock) is purpose-built for firearms with an M1913 Picatinny rail stock mounting interface. Whether you’re running a SIG MCX, FN SCAR, IWI Galil, CZ Scorpion, Ruger LC Carbine, or an AK variant with an adapter, the UCS delivers unmatched versatility and shooter-focused adjustability.

 

 

Key Features:

  • Reversible Folding Mechanism: Configure left or right folding to clear charging handles, ejection ports, and controls.
  • Cheek Riser Options: Includes two exclusive risers (0.50" and 0.75") for precise comb height adjustment.
  • Length of Pull Adjustment: Six-position, push-button adjustment for a full 3" range to fit shooters with or without body armor.
  • Reversible QD Sling Socket: Anti-rotational design allows flexible sling mounting.
  • Enhanced Comfort: Outfitted with the Magpul MOE SL® Enhanced Rubber Butt-Pad (0.70").

Adaptable to Multiple Platforms:

  • Compatible with any firearm featuring a factory M1913 rear receiver rail or aftermarket adapter
  • Supported rifles include: SIG MPX/MCX, FN SCAR, IWI Galil, CZ Scorpion, Ruger LC Carbine, Brownell’s BRN-180, and PSA AK/AK-V variants
  • Reversible M1913 clamp provides a ½-slot height adjustment for further customization
  • 5° drop angle ensures clearance for charging handles and ejection ports

 

 

Technical Specifications:

Length 7.6 – 10.6 in.
LOP Adjustment Range 3 in. across six positions
Height at Butt Plate 5.3 in.
Width (Max) 1.9 in. (at hinge)
Weight 18 oz.

 

Platform-Specific LOP Ranges:

  • Sig MCX: 11.6 – 14.6 in.
  • Sig MPX: 11.9 – 14.9 in.
  • FN SCAR: 12.1 – 15.1 in.
  • IWI Galil: 11.6 – 14.6 in.
  • CZ Scorpion: 11.9 – 14.9 in.
  • Ruger LC Carbine: 13.6 – 16.6 in.
  • PSA AK: 12.0 – 15.0 in.

Made in the USA, the Magpul UCS is built for professional-grade durability and customization, giving shooters ultimate control over fit, function, and comfort.

Note: Not compatible with Type 1 & Type 2 Sling Mount Kits, CTR®, AK, or Hunter/SGA® Cheek Risers, nor CTR, PRS, or Hunter Butt-Pads.

 

Payment & Security

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Frequently Asked Questions

What makes the Magpul UCS Universal Carbine Stock adaptable for various firearms?

The reversible folding mechanism of the Magpul UCS allows shooters to configure the stock to fold either left or right. This feature is particularly beneficial for clearing charging handles, ejection ports, and controls, which can be critical in tactical scenarios. It provides flexibility in tight spaces or when maneuvering in confined environments, making the firearm more compact and easier to handle without compromising readiness.

How does the reversible folding mechanism benefit shooters using the Magpul UCS?

The reversible folding mechanism of the Magpul UCS allows shooters to configure the stock to fold either left or right. This feature is particularly beneficial for clearing charging handles, ejection ports, and controls, which can be critical in tactical scenarios. It provides flexibility in tight spaces or when maneuvering in confined environments, making the firearm more compact and easier to handle without compromising readiness.

What are the cheek riser options available with the Magpul UCS, and why are they important?

The Magpul UCS comes with two exclusive cheek risers, measuring 0.50" and 0.75". These risers allow for precise comb height adjustments, which are crucial for achieving a proper sight picture and maintaining comfort during prolonged use. By customizing the cheek weld, shooters can enhance their accuracy and consistency, especially when using optics or aligning with iron sights.

How does the length of pull adjustment enhance the usability of the Magpul UCS?

The length of pull adjustment on the Magpul UCS offers a six-position, push-button mechanism that provides a full 3" range. This adjustability is essential for fitting the stock to shooters of different sizes and accommodating various shooting stances, including those wearing body armor. By allowing such customization, the UCS ensures that the firearm can be comfortably and effectively used in a variety of operational contexts.

What are the compatibility considerations for the Magpul UCS with different firearm platforms?

The Magpul UCS is compatible with any firearm that features a factory M1913 rear receiver rail or an aftermarket adapter. Supported platforms include popular models like the SIG MPX/MCX, FN SCAR, and PSA AK variants. This broad compatibility allows users to upgrade multiple firearms with a single stock model, enhancing the versatility and value of their equipment. For more insights on optimizing your setup, explore our Grips, Pads, Stocks & Bipods collection.

How does the reversible QD sling socket on the Magpul UCS improve tactical flexibility?

The reversible QD sling socket on the Magpul UCS features an anti-rotational design that allows for flexible sling mounting. This capability is crucial for tactical operations where quick transitions and secure weapon retention are necessary. By providing multiple mounting options, the UCS enables users to adapt their sling setup to different carrying styles and operational needs, enhancing both comfort and readiness.

What are the limitations of the Magpul UCS when it comes to compatibility with other accessories?

While the Magpul UCS is highly adaptable, it is not compatible with Type 1 & Type 2 Sling Mount Kits, CTR®, AK, or Hunter/SGA® Cheek Risers, nor CTR, PRS, or Hunter Butt-Pads. These limitations mean that users must carefully consider their existing gear and any planned upgrades to ensure compatibility. This is particularly important for those who rely on specific configurations for tactical or competitive shooting.

How does the Magpul UCS enhance comfort during extended use?

The Magpul UCS is equipped with the Magpul MOE SL® Enhanced Rubber Butt-Pad, which measures 0.70". This butt-pad is designed to absorb recoil and provide a comfortable shooting experience during extended use. The material and design help reduce fatigue and improve control, which is especially beneficial during long training sessions or in high-stress operational environments.

What are the benefits of the 5° drop angle feature on the Magpul UCS?

The 5° drop angle on the Magpul UCS ensures clearance for charging handles and ejection ports. This feature is particularly advantageous when using firearms with high-profile optics or other mounted accessories. By providing this clearance, the UCS helps prevent interference during operation, which can be critical in maintaining reliability and efficiency in tactical situations.

How does the Magpul UCS contribute to overall firearm customization?

The Magpul UCS contributes significantly to firearm customization by offering features like a reversible M1913 clamp, which provides a ½-slot height adjustment. This allows users to fine-tune their setup for optimal ergonomics and performance. Customization is further enhanced by the stock's compatibility with a variety of platforms, enabling shooters to tailor their firearms to specific operational roles or personal preferences. For more on customizing your tactical gear, visit our Security: Weapon Parts & Upgrades collection.