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Questions & Answers
will this kit fit a PSA lower Expert Answer

Yes it should.

by Ryan Tarczynski, Gear Expert, July 7, 2021
Will this fit on a Remington R-10 lower? Thanks Expert Answer

The Armaspec AR10 Gun Builders Lower Parts Kit should work fine with the Remington R-10.

by Hunter, Gear Expert, July 7, 2022
Customer Reviews
Helpful Positive Review
AR15 Build by Matt Cook, January 18, 2021
Used this on my first at build. Looked for a while trying to decide what to buy. Then decided on this kit. Parts are made well and they are a great value. Everything fit as it should. There was nothing that was negative about this product. Would defi...
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1/2 found this helpful
Helpful Positive Review
solid LPK for AR10 builders by freedombirdies, Verified Owner, October 9, 2020
I bought this in a rush for a custom AR10 build & was pleasantly surprised. Machining is top notch, particularly evident in the bolt catch & safety selector. I’m going to buy a few more for spare parts as needed, but I’ll be using this LPK on future ...
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1/1 found this helpful
Helpful Negative Review
I got the package and its missing a part. I contacted OP and after a week they tell me the manufacturer says that part is not included with this item. It's in every picture, it's listed on the package, there is an empty space for it in the packaging....
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2/2 found this helpful
Most Recent Reviews
Not the best functionality by BillBraskey, Verified Owner, October 4, 2025
I love the kit all the way up to the forward and aft takedown pins. I bought this kit for the color options and primarily the look of the ambidextrous safety. All other items work well, but I’m going to have to change out the takedown pins. The photo...
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Most Recent Reviews
Every thing fits by b6776, Verified Owner, July 24, 2025
All the parts fit as they should. It would be nice if they labeled the pieces. I like the anti walk pins.
Most Recent Reviews
Not worth the price by EVO-99, Verified Owner, November 27, 2021
This kit was great in theory, it’s just not practical. Trying to remove the takedown pins is just near impossible. The steel pins are just too good at holding the takedown pins in, so well in fact that you can barely remove them. Same issue with the ...
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3/4 found this helpful
Read All 17 Reviews

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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 Armaspec AR10 Gun Builders Lower Parts Kit

If you're planning on building an AR10 from the ground up, you need a variety of components. One of the easiest ways to get almost everything you need for the lower receiver is by purchasing a lower parts kit, and the Armaspec AR10 Gun Builders Lower Parts Kit is an excellent place to start. This package comes with many of the components you need to outfit a lower to your exact specifications.image

Available in a variety of colors, including blue, OD green, flat dark earth, black, and more, you can customize your weapon to look and shoot however you want. This kit includes the bolt catch, ambidextrous safety selector, enhanced takedown and pivot pins, and a variety of other components to help you get your weapon ready for the range. Pick up this kit today to start your dream AR10 build!

WARNING: California`s Proposition 65

Specifications for Armaspec AR10 Gun Builders Lower Parts Kit:

Manufacturer: Armaspec
Caliber: 5.56x45mm NATO
Gun Make: AR Platform
Gun Model: AR-10
Gun Type: Rifle
Condition: New
Country of Origin: USA

Features of Armaspec AR10 Gun Builders Kit

  • Includes Armaspec Enhanced Lower Parts
  • Compatible with most AR-15 lowers
  • made in specialized factories
  • Lifetime Warranty

Package Contents:

  • Armaspec AR10 Gun Builders Kit

Armaspec AR10 Gun Builders Lower Parts Kit Orderable Models

List of Orderable Models

  • Armaspec AR10 Gun Builders Lower Parts Kit, SS/Black, ARM150-BLK , MPN: ARM150-BLK , UPC: 810048491537 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-BLK
  • Armaspec AR10 Gun Builders Lower Parts Kit, SS/FDE, ARM150-FDE , MPN: ARM150-FDE , UPC: 810048491544 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-FDE
  • Armaspec AR10 Gun Builders Lower Parts Kit, SS/ODGreen, ARM150-ODG , MPN: ARM150-ODG , UPC: 810048491551 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-ODG
  • Armaspec AR10 Gun Builders Lower Parts Kit, SS/Red, ARM150-RED , MPN: ARM150-RED , UPC: 810048491568 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-RED
  • Armaspec AR10 Gun Builders Lower Parts Kit, SS/Bronze, ARM150-BRZ , MPN: ARM150-BRZ , UPC: 810048493517 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-BRZ
  • Armaspec AR10 Gun Builders Kit, SS/Blue, ARM150-BLU , MPN: ARM150-BLU , UPC: 810048491575 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-BLU

Armaspec AR10 Gun Builders Lower Parts Kit Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Armaspec AR10 Gun Builders Lower Parts Kit, SS/Black, ARM150-BLK , MPN: ARM150-BLK-EDEMO , Code: AMS-LPK-AUPCAR10GBSK-ARM150-BLK-EDEMO-IN-C
  • Armaspec Gun Builders Lower Parts Kit, AR-10, Silver, ARM150-AG , MPN: ARM150-AG , UPC: 810048491582 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-AG
  • Armaspec Gun Builders Lower Parts Kit, AR-10, Purple, ARM150-PRL , MPN: ARM150-PRL , UPC: 810048491599 , Code: AMS-LPK-AUPCAR10GBSK-ARM150-PRL
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