Gunsmithing Block for AR-10/SR-25/LR-308 Rifles – .308 AR Lower Receiver Block – Midwest Industries
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- Code: MI-LRB308
- Manufacturer: Midwest Industries
- EAN code: 812102033653
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Gunsmithing Block for AR-10/SR-25/LR-308 Rifles – .308 AR Lower Receiver Block – Midwest Industries
The Midwest Industries .308 AR Lower Receiver Block is a professional gunsmithing tool designed to securely hold the lower receiver of firearms built on the AR-10 / SR-25 / LR-308 platforms. It is specifically designed for larger .308-caliber platforms, where proper stability and safety are essential during maintenance and servicing.
Thanks to its precision fit in the magazine well, the block allows the lower receiver to be securely positioned in a vise, minimizing the risk of movement and potential damage during work.
The block is designed to provide maximum support for the lower receiver during gunsmithing tasks, including:
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Installing and removing components
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Installing the trigger mechanism
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Servicing and maintenance
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Modifications and customization of the .308 AR platform
Securely holding the firearm in place improves working comfort and allows precise operations to be performed while minimizing the risk of damage.
.308 AR Platform Compatibility
The block is compatible with popular firearm platforms based on the following standards:
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AR-10
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SR-25
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LR-308
It is designed to accommodate the specific dimensions of larger lower receivers, ensuring a proper fit and stable support during use.
The product is made from durable polymer that resists mechanical damage and the demands of regular workshop use. The material helps prevent scratches to firearm surfaces, which is particularly important when working with anodized components.
Its ergonomic design allows for quick installation in a workshop vise and convenient preparation of the workbench.
Technical Specifications
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Manufacturer: Midwest Industries
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Intended Use: .308 AR lower receiver
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Compatibility: AR-10 / SR-25 / LR-308
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Material: Durable polymer
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Mounting: Workshop vise
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Length: Approximately 150 mm (6 in)
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Width: Approximately 25 mm (1 in)
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Weight: Approximately 170 g
Key Features
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Specifically designed for .308 AR platforms
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Compatible with AR-10 / SR-25 / LR-308
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Securely holds the lower receiver
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Helps protect firearm surfaces from damage
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Precision fit in the magazine well
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Lightweight and durable construction
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Essential gunsmithing workshop tool
The Midwest Industries .308 AR Lower Receiver Block is a robust, well-engineered tool that provides stability and safety when working on larger AR platforms. It is an excellent choice for users who demand precision and reliability during firearm maintenance and servicing.

