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Wilson Combat Lower Receiver Small Parts Kit Up to $2.96 Off w/ Free S&H — 3 models

Special offer available for this product. Click here to see!
Wilson Combat Lower Receiver Small Parts Kit, AR-Style TR-LOWERK
Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15
Wilson Combat Small Parts Lower Receiver Kit, AR-10 Billet, TR-LOWERK-10
Wilson Combat Lower Receiver Small Parts Kit, AR-Style TR-LOWERK
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Wilson Combat Lower Receiver Small Parts Kit, AR-Style TR-LOWERK
Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15
2 of 3 images
Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15
Wilson Combat Small Parts Lower Receiver Kit, AR-10 Billet, TR-LOWERK-10
3 of 3 images
Wilson Combat Small Parts Lower Receiver Kit, AR-10 Billet, TR-LOWERK-10

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Questions & Answers
Does this come with buffer retainer/spring… it’s in the picture but not the description Expert Answer

The Wilson Combat Lower Receiver Small Parts Kit does not include any fire control parts (Hammer, Trigger, Disconnector, Springs), or the buffer retainer spring. It will only include:
Bolt Catch
Bolt Catch Plunger
Bolt Catch Roll Pin
Bolt Catch Spring
Magazine Catch
Magazine Catch Spring
Magazine Catch Button
Pivot Pin
Takedown pin
2x Pivot/Takedown detents
2x Pivot/Takedown detent springs
Safety Detent
Safety Detent Spring
Semi-auto Safety selector (Right Hand)
Trigger Guard (Aluminum GI)
Trigger Guard Roll Pin
2x Trigger/Hammer Pins

by Ethan, Gear Expert, March 11, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Quality Product by Marv, December 19, 2021
Quality kit. Easy to install. As described. I would recommend this to anyone looking for a simple yet quality mil-spec lower parts kit. Every part was included and free of any flaws whatsoever. Install was made streamline courtesy of Wilson Combat
1/1 found this helpful
Helpful Positive Review
Works well by RangerDoc, November 29, 2019
This kit was generally easy to install. No instructions but as usual YouTube came to the rescue. It is very difficult to install the roller pin that holds the action/ bolt release without marring the left side of the lower receiver. After applying ma...
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5/5 found this helpful
Helpful Positive Review
Wilson combat lower reciever parts kit. by Greg, April 4, 2019
There is not much to be said about it except that everything fit like it was supposed to. I installed it in a wilson lower so I figured I would feed it Wilson parts. It ate them with no complaints. I wish I could give a more factual explanation, but ...
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1/1 found this helpful
Helpful Negative Review
Fit and Finish not good by Latka303, Verified Owner, July 21, 2018
I use this kit on aeroprecision lower and springs for pivot pin will not fit. Also finish is very poor. Had to order aeroprecision kit and decided to remove all parts of Wilson Combat kit. Aeroprecision is 20$ less fits perfect and finish is way much...
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3/6 found this helpful
Most Recent Reviews
Overpriced and does not have everything by Kevin, Verified Owner, April 13, 2021
The trigger guard pin was way too big and this kit does not include a grip bolt. So I ended spending more than this kit on top of it to replace the parts that are bad or it doesn't have in the first place. Do yourself a favor and buy the PSA kit. The...
Read More...
0/4 found this helpful
Most Recent Reviews
Wilson Combat LPK by Lrok78, Verified Owner, August 2, 2026
Quality Mil-Spec LPK that I've used several times.
Read All 24 Reviews
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Product Info for Wilson Combat Lower Receiver Small Parts Kit

The most commonly used parts to complete a custom AR10/15 rifle and the same parts Wilson Combat use in their shop on custom Billet AR10/15 rifles. These quality parts are built by Wilson Combat's machine shop or USGI contractors to meet or exceed Military Specifications. This kit includes a right hand safety selector.image

Specifications for Wilson Combat Lower Receiver Small Parts Kit:

Manufacturer: Wilson Combat
Color: Assorted
Fabric/Material: Steel/Aluminum
Condition: New

Package Contents:

  • Wilson Combat Lower Receiver Small Parts Kit
  • Bullet Proof Bolt Release AR10/15 Checkered
  • Bolt Catch Plunger
  • Bolt Catch Threaded Screw for Billet Receivers
  • Bolt Catch Spring
  • Magazine Catch
  • Magazine Catch Spring
  • Magazine Catch Button
  • Pivot Pin
  • Takedown Pin
  • 2x Pivot/Takedown detents
  • 2x Pivot/Takedown detent springs
  • Safety Detent
  • Safety Detent pring
  • Semi-auto Safety selector (Right Hand)
  • 2x Trigger/Hammer Pins

Wilson Combat Lower Receiver Small Parts Kit Orderable Models

List of Orderable Models

  • Wilson Combat Lower Receiver Small Parts Kit, AR-Style, TR-LOWERK , MPN: TR-LOWERK , UPC: 874218006334 , Code: C0-LPK-LRSPK-TR-LOWERK
  • Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15 , MPN: TR-LOWERK-B15 , UPC: 810025505424 , Code: C0-LPK-LRSPK-TR-LOWERK-B15
  • Wilson Combat Small Parts Lower Receiver Kit, AR-10 Billet, TR-LOWERK-10 , MPN: TR-LOWERK-10 , UPC: 810025502324 , Code: C0-LPK-LRSPK-TR-LOWERK-10

Wilson Combat Lower Receiver Small Parts Kit Unavailable & Discontinued Models

List of Unorderable Models

  • USED Wilson Combat Small Parts Lower Receiver Kit, AR-15 Billet, TR-LOWERK-B15, EDEMO1, Used, Condition Like New, Inspect and Rebox , MPN: TR-LOWERK-B15-EDEMO1 , Code: C0-LPK-LRSPK-TR-LOWERK-B15-EDEMO-RE-A
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Last updated 2026-10-14 UTC.