Midwest Industries115747414
Midwest Industries AR-15 Lower Receiver Block - Precision Machining for Secure Maintenance and Assembly$36.95
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Availability: In Stock
Current Stock: Out of stock
The Midwest Industries LR-308 Lower Receiver Block is a precision-engineered vise block built specifically for AR-10 and AR .308 lower receiver work. Whether you're building an AR-10 from the ground up, installing a trigger group, fitting a gas block, or performing maintenance on a complete rifle, this gunsmithing tool holds your lower receiver securely and safely while you work. Made from high-strength polymer, it's durable enough for the bench and light enough to move around your workspace.
The four-point contact design grips your lower receiver from multiple angles, preventing rotation or shift during critical assembly and modification steps. A dedicated trigger guard installation section keeps that area accessible when you need it, and the small parts tray catches springs, pins, and detents so nothing rolls under the bench. The mounting holes let you bolt the block directly to your workbench or attach it to a shop vise, giving you stability whether you're hand-fitting, drilling, tapping, or installing roll pins for gas blocks.
Built and assembled in the USA, this tool is built to last and designed by people who understand AR platform work. If you're a serious shooter, builder, or gunsmith who handles AR-10s regularly, having a proper lower receiver block speeds up the job and makes it safer—your hands stay free to work, and your receiver stays exactly where you put it.
| Caliber/Platform | AR .308 / AR-10 |
| Weight | 12.2 oz |
| Height | 6.5" |
| Length | 5.0" |
| Width | 1.25" |
| Material | High-strength polymer |
| Country of Origin | USA |
The block is designed to hold your lower receiver securely during trigger group installation, fire control pin assembly, gas block roll pin installation, and general maintenance and repairs on a complete firearm. The dedicated trigger guard section keeps that area accessible for trigger work.
Yes. The block has mounting holes that allow you to bolt it directly to a bench or attach it to a shop vise using four points of contact for stability.
The Midwest Industries LR-308 Lower Receiver Block comes ready to use. It includes an integrated small parts tray to keep springs, pins, and small components organized and from rolling away during your work.
This block is sized and designed specifically for AR .308 and AR-10 lower receivers. Midwest Industries makes a separate AR-15 model if you need to work on 5.56 platform lowers.
SKU: 115762910 • Width: 7in • Height: 1.75in • Depth: 1.6in • Weight: 0.94oz
Availability: In Stock
Current Stock: Out of stock
The Midwest Industries LR-308 Lower Receiver Block is a precision-engineered vise block built specifically for AR-10 and AR .308 lower receiver work. Whether you're building an AR-10 from the ground up, installing a trigger group, fitting a gas block, or performing maintenance on a complete rifle, this gunsmithing tool holds your lower receiver securely and safely while you work. Made from high-strength polymer, it's durable enough for the bench and light enough to move around your workspace.
The four-point contact design grips your lower receiver from multiple angles, preventing rotation or shift during critical assembly and modification steps. A dedicated trigger guard installation section keeps that area accessible when you need it, and the small parts tray catches springs, pins, and detents so nothing rolls under the bench. The mounting holes let you bolt the block directly to your workbench or attach it to a shop vise, giving you stability whether you're hand-fitting, drilling, tapping, or installing roll pins for gas blocks.
Built and assembled in the USA, this tool is built to last and designed by people who understand AR platform work. If you're a serious shooter, builder, or gunsmith who handles AR-10s regularly, having a proper lower receiver block speeds up the job and makes it safer—your hands stay free to work, and your receiver stays exactly where you put it.
| Caliber/Platform | AR .308 / AR-10 |
| Weight | 12.2 oz |
| Height | 6.5" |
| Length | 5.0" |
| Width | 1.25" |
| Material | High-strength polymer |
| Country of Origin | USA |
The block is designed to hold your lower receiver securely during trigger group installation, fire control pin assembly, gas block roll pin installation, and general maintenance and repairs on a complete firearm. The dedicated trigger guard section keeps that area accessible for trigger work.
Yes. The block has mounting holes that allow you to bolt it directly to a bench or attach it to a shop vise using four points of contact for stability.
The Midwest Industries LR-308 Lower Receiver Block comes ready to use. It includes an integrated small parts tray to keep springs, pins, and small components organized and from rolling away during your work.
This block is sized and designed specifically for AR .308 and AR-10 lower receivers. Midwest Industries makes a separate AR-15 model if you need to work on 5.56 platform lowers.
SKU: 115762910 • Width: 7in • Height: 1.75in • Depth: 1.6in • Weight: 0.94oz