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Questions & Answers
Customer Reviews
Helpful Positive Review
Hesitant purchase so Necessary by Whip, Verified Owner, March 28, 2025
Well I debated do I really need another tool to aid my AR15 build. This and the reaction rod made life easy. This helped with the gas block more than I expected. Bottom line it’s worth it if you have a vise to put it in. Shipping was fast from OP.
1/1 found this helpful
Helpful Positive Review
Great block, good value. by Andy, Verified Owner, May 18, 2023
I don’t have anything negative to say. I have used a bunch of other blocks/vice mounting systems. I needed this one specifically for a troublesome A2 front sight that I couldn’t get to stay still while installing taper pins. This block did the tri...
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1/1 found this helpful
Helpful Positive Review
Strong Multi Function Receiver Block by Michael, Verified Owner, March 24, 2022
Highly recommended product, used on a recent build and it made it so easy that I breezed through it in 20% of the time. MI thought of everything. The only downside for me is the small parts tray, I already have one so having that area be a little t...
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7/7 found this helpful
Most Recent Reviews
decent lower vise block by James Phillips, Verified Owner, October 12, 2025
This lower vise block is sturdy works well and has a variety of uses when building your AR
Most Recent Reviews
The Swiss Army Knife of Vise Blocks by Bigtime, Verified Owner, August 17, 2025
For the price, this is hands-down the best vise block I’ve used. I own a few others, but this one really stands out. It doesn’t just hold your lower receiver through the mag well — it goes the extra mile. There’s a cutout perfectly designed for drivi...
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Most Recent Reviews
Ar vice block by Jack Eaken, April 24, 2025
Awesome product and fast shipping, highly recommend,will definitely be ordering more from these guys,good job keep up the amazing work
Read All 19 Reviews
Gun Model: AR-15 Gun Type: Rifle Color: Blue Weight: 12.2 ozCondition: New

Code: MWI-RB0-MILB-MI-LRB

MPN: MI-LRB

UPC: 812102033622

List: $41.95Save 12%
$36.95

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Midwest Industries AR-15 Lower Receiver Block

Whether you're building your own AR-15 or wish to service the one you have, the MIDS AR-15 Lower Receiver Block ensures the safety and well-being of the firearm. Designed to withstand heavy use, this gunsmithing tool is built to last. Midwest Industries constructed these Gunsmithing Equipment from high strength polymer to hold complete firearms for maintenance. This Midwest Industries Rifle Lower Receiver Block also has mounting holes for attachment to bench or alternative work surface, and 4 points of contact for vice use. It even has a trigger guard installation section so that you can easily hold multiple aspects of the build. Pick up a MIDS AR-15 Lower Receiver Block w/ Roll Pin to protect your firearm and ensure you're getting the best service possible.image

Specifications for Midwest Industries AR-15 Lower Receiver Block:

Manufacturer: Midwest Industries
Gun Model: AR-15
Gun Type: Rifle
Color: Blue
Weight: 12.2 oz
Condition: New
Country of Origin: USA

Features of Midwest Industries AR-15 Lower Receiver Block

  • High strength polymer construction
  • Allows for gas block roll pin installation
  • Mounting holes for attachment to bench or alternative work surface
  • 4 points of contact for vice use
  • Trigger guard installation section
  • Allows lower to be held for multiple aspects of assembly
  • Fire control pin assembly
  • Able to hold complete firearm for maintenance
  • Small parts tray 100%

Package Contents:

  • Midwest Industries AR-15 Lower Receiver Block

Midwest Industries AR-15 Lower Receiver Block Orderable Models

List of Orderable Models

  • Midwest Industries AR-15 Lower Receiver Block, Blue, MI-LRB , MPN: MI-LRB , UPC: 812102033622 , Code: MWI-RB0-MILB-MI-LRB

Midwest Industries AR-15 Lower Receiver Block Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Midwest Industries AR-15 Lower Receiver Block, Blue, MI-LRB , MPN: MI-LRB-EDEMO , Code: MWI-RB0-MILB-MI-LRB-EDEMO-SC-C
  • USED Midwest Industries AR-15 Lower Receiver Block, Blue, MI-LRB, EDEMO5, Used, Condition Fair , MPN: MI-LRB-EDEMO5 , Code: MWI-RB0-MILB-MI-LRB-EDEMO5
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