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Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety Up to 19% Off w/ Free S&H — 15 models

Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Blue, BUILD-KIT-AMBI-BLUE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Bronze, BUILD-KIT-AMBI-BRZ
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Orange, BUILD-KIT-AMBI-ORANGE
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED CLEAR, ANODIZED CLEAR, BUILD-KIT-AMBI-CLEAR
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Purple, BUILD-KIT-AMBI-PURPLE
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREEN, ANODIZED GREEN, BUILD-KIT-AMBI-GREEN
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Cerakote FDE, BUILD-KIT-AMBI-FDE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Red, BUILD-KIT-AMBI-RED
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREY, ANODIZED GREY, BUILD-KIT-AMBI-GREY
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Gold, BUILD-KIT-AMBI-GOLD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gloss Rainbow, BUILD-KIT-AMBI-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Chrome, BUILD-KIT-AMBI-C
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Black Chrome, BUILD-KIT-AMBI-BC
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gold, BUILD-KIT-AMBI-GP
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Blue, BUILD-KIT-AMBI-BLUE
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Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Blue, BUILD-KIT-AMBI-BLUE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Bronze, BUILD-KIT-AMBI-BRZ
2 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Bronze, BUILD-KIT-AMBI-BRZ
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Orange, BUILD-KIT-AMBI-ORANGE
3 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Orange, BUILD-KIT-AMBI-ORANGE
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED CLEAR, ANODIZED CLEAR, BUILD-KIT-AMBI-CLEAR
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Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED CLEAR, ANODIZED CLEAR, BUILD-KIT-AMBI-CLEAR
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Purple, BUILD-KIT-AMBI-PURPLE
5 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Purple, BUILD-KIT-AMBI-PURPLE
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREEN, ANODIZED GREEN, BUILD-KIT-AMBI-GREEN
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Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREEN, ANODIZED GREEN, BUILD-KIT-AMBI-GREEN
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Cerakote FDE, BUILD-KIT-AMBI-FDE
7 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Cerakote FDE, BUILD-KIT-AMBI-FDE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Red, BUILD-KIT-AMBI-RED
8 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Red, BUILD-KIT-AMBI-RED
Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREY, ANODIZED GREY, BUILD-KIT-AMBI-GREY
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Guntec USA AR-15 BUILDERS KIT WITH AMBI SAFETY ANODIZED GREY, ANODIZED GREY, BUILD-KIT-AMBI-GREY
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Gold, BUILD-KIT-AMBI-GOLD
10 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Gold, BUILD-KIT-AMBI-GOLD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
11 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gloss Rainbow, BUILD-KIT-AMBI-RPVD
12 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gloss Rainbow, BUILD-KIT-AMBI-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Chrome, BUILD-KIT-AMBI-C
13 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Chrome, BUILD-KIT-AMBI-C
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Black Chrome, BUILD-KIT-AMBI-BC
14 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Black Chrome, BUILD-KIT-AMBI-BC
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gold, BUILD-KIT-AMBI-GP
15 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gold, BUILD-KIT-AMBI-GP
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
16 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD
17 of 17 images
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD

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Questions & Answers
Customer Reviews
Helpful Positive Review looks great by Dozar, Verified Owner, April 26, 2023
i was worried it wouldn't match the rest of the reds i put on my gun but i was supper surprised it all matches 3 sets from 2 different companies and it all matched the only issue was that the mag release button was threaded wrong but a quick call to ...
Read More...
2/2 found this helpful
Helpful Negative Review BAD QUALITY by Junior, Verified Owner, March 29, 2024
The quality of the detent pins are very bad. The pins were flat and couldn’t move the safety selector or pull the takedown pins. Save your money and the frustration. Not worth it.
4/4 found this helpful
Most Recent Reviews very poor quality by Marcas Pardee, Verified Owner, December 28, 2024
Detents are very poor had to do sanding and polishing just so i could get the safety selector to work properly
2/2 found this helpful
Most Recent Reviews poor quality by Marcas Pardee, Verified Owner, January 3, 2025
Pins are too tight had to file every thing down just to function properly
2/2 found this helpful
Most Recent Reviews Received a returned product. by Monta, Verified Owner, January 4, 2025
Received a return product, I ordered gold plated and several parts thats supposed to be gold plated were black and all springs in packaging was not in there right spots and all over the place! Would recommend if parts were right!!
1/1 found this helpful
Most Recent Reviews Great Product by pluto, Verified Owner, August 22, 2025
Love the ambidextrous safety and how you can use it on either side definitely recommend
Read All 12 Reviews
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Product Info for Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety

Guntec USA AR-15 Builders Kit w/Ambidextrous Safety contains most of the parts you need to build your AR-15. This Guntec USA Parts Kit features a multi-position short throw ambidextrous safety. Complete AR-15 Builders Kits come in a black color and include a Mil-Spec buffer tube, bolt catch, magazine catch, pivot pin, takedown pin, magazine release button, bolt catch spring, magazine catch spring, receiver pivot detent, receiver take down detent, bolt catch plunger, bolt catch pin, selector detent spring, receiver pivot pin, take down pin, magazine release button, bolt catch plunger pin, selector detent spring, 1 bolt catch pin, 1 bolt catch plunger pin, selector detent spring, receiver pivot detent spring, one take down detent spring, 1 multi position short throw ambi safety. Whether you are building your first AR-15 rifle or looking to modify an existing rifle, this complete AR-15 Builders Kit has everything you need. Use the AR-15 Parts Kit for Builders to create a reliable and versatile AR platform.image

Specifications for Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety:

Manufacturer: Guntec USA
Caliber: .223 Remington
Gun Make: AR Platform
Gun Model: AR-15
Condition: New

Package Contents:

  • Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety
  • 1 Anodized Mag Catch Lever
  • 1 Bolt Catch
  • 1 Anodized Takedown Pin Set
  • 1 Magazine Catch Spring
  • 2 Trigger Pins
  • 1 Buffer Retainer
  • 1 Anodized Magazine Release Button
  • 1 Bolt Catch Spring
  • 1 Buffer Retainer Spring
  • 1 Selector Detent
  • 2 Take Down/Pivot Detents
  • 1 Bolt Catch Plunger
  • 1 Bolt Catch Pin
  • 1 Selector Detent Spring
  • 1 Receiver Pivot Detent Spring
  • 1 Take Down Detent Spring
  • 1 Anodized Multi Position Short Throw Ambi Safety

Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety Orderable Models

List of Orderable Models

Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Blue, BUILD-KIT-AMBI-BLUE , MPN: BUILD-KIT-AMBI-BLUE , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-BLUE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Purple, BUILD-KIT-AMBI-PURPLE , MPN: BUILD-KIT-AMBI-PURPLE , UPC: 709016737817 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-PURPLE
Guntec Usa Ar-15 Builders Kit With Ambi Safety, Anodized Green, Build-Kit-Ambi-Green , MPN: BUILD-KIT-AMBI-GREEN , UPC: 709016738258 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-GREEN
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Cerakote FDE, BUILD-KIT-AMBI-FDE , MPN: BUILD-KIT-AMBI-FDE , UPC: 752574660509 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-FDE
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Red, BUILD-KIT-AMBI-RED , MPN: BUILD-KIT-AMBI-RED , UPC: 709016737800 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-RED
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Matte Rainbow, BUILD-KIT-AMBI-M-RPVD , MPN: BUILD-KIT-AMBI-M-RPVD , UPC: 752574660875 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-M-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gloss Rainbow, BUILD-KIT-AMBI-RPVD , MPN: BUILD-KIT-AMBI-RPVD , UPC: 752574660868 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-RPVD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Bronze, BUILD-KIT-AMBI-BRZ , MPN: BUILD-KIT-AMBI-BRZ , UPC: 709016738340 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-BRZ
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Orange, BUILD-KIT-AMBI-ORANGE , MPN: BUILD-KIT-AMBI-ORANGE , UPC: 752574659688 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-ORANGE
Guntec Usa Ar-15 Builders Kit With Ambi Safety, Anodized Clear, Build-Kit-Ambi-Clear , MPN: BUILD-KIT-AMBI-CLEAR , UPC: 709016738234 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-CLEAR
Guntec Usa Ar-15 Builders Kit With Ambi Safety, Anodized Grey, Build-Kit-Ambi-Grey , MPN: BUILD-KIT-AMBI-GREY , UPC: 709016738241 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-GREY
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Chrome, BUILD-KIT-AMBI-C , MPN: BUILD-KIT-AMBI-C , UPC: 752574660851 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-C
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Black Chrome, BUILD-KIT-AMBI-BC , MPN: BUILD-KIT-AMBI-BC , UPC: 752574660844 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-BC
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Anodized Gold, BUILD-KIT-AMBI-GOLD , MPN: BUILD-KIT-AMBI-GOLD , UPC: 709016737824 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-GOLD
Guntec USA AR-15 Builders Kit w/Ambidextrous Safety, Gold, BUILD-KIT-AMBI-GP , MPN: BUILD-KIT-AMBI-GP , UPC: 752574660837 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-GP

Guntec USA AR-15 Builders Kit w/ Ambidextrous Safety Unavailable & Discontinued Models

List of Unorderable Models

Guntec USA AR-15 Builders Kit w/ Ambi Safety, Anodized Pink, BUILD-KIT-AMBI-PINK , MPN: BUILD-KIT-AMBI-PINK , UPC: 752574665399 , Code: 2AH-LPK-A15BKAS-BUILD-KIT-AMBI-PINK
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