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Armaspec Superlight .223/5.56mm Gun Builders Kit Up to 19% Off, Blazin' Deal w/ Free S&H — 6 models

Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/ODGreen, ARM251-ODG
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Black, ARM251-BLK
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Bronze, ARM251-BRZ
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/FDE, ARM251-FDE
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Red, ARM251-RED
Armaspec .223/5.56 Superlight Gun Builders Kit, SS/Blue, ARM251-BLU
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/ODGreen, ARM251-ODG
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Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/ODGreen, ARM251-ODG
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Black, ARM251-BLK
2 of 6 images
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Black, ARM251-BLK
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Bronze, ARM251-BRZ
3 of 6 images
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Bronze, ARM251-BRZ
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/FDE, ARM251-FDE
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Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/FDE, ARM251-FDE
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Red, ARM251-RED
5 of 6 images
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Red, ARM251-RED
Armaspec .223/5.56 Superlight Gun Builders Kit, SS/Blue, ARM251-BLU
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Armaspec .223/5.56 Superlight Gun Builders Kit, SS/Blue, ARM251-BLU

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Questions & Answers
Will the safety selector work with a lower that does not have an ambidextrous safety? Expert Answer

Yes, the the Armaspec Superlight AR-15 Gun Builders Lower Parts Kit can be used on a Mil-Spec AR that does not have an ambidextrous safety.

by Hunter, Gear Expert, June 3, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review Armaspec Lower build kit. by MI3GunR, Verified Owner, March 14, 2021
I have used this kid on 4 separate AR platforms and I refuse to go with anything else ever since I started using this lower kit. I have over 1000 rounds out of one AR and have experienced zero problems. Safety selector you can choose 90 or 45 degre...
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1/1 found this helpful
Helpful Negative Review Major fitment issues by J.O., Verified Owner, January 4, 2024
For reference, my lower is a Aero Precision billet lower (NOT BLEM). Issues: Trigger pins have .5mm of play/slop. Safety Selector has 1mm of play/slop. Front takedown springs is crazy stiff (will probably break-in with time). I am extremely unha...
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1/2 found this helpful
Most Recent Reviews Armaspec Superlight .223/5.56mm Gun Builders Kit by Barry Shively, Verified Owner, August 23, 2025
Kit is very nice, good fit and finish. Price seems on point for colored components.
Most Recent Reviews polymer feel by Jayr738, Verified Owner, July 27, 2021
I didn’t like that the take down pins and safety select were made of polymer. Safety selector doesn’t sit flush either. For 70$ I expected much better. It matches with magpul fde furniture that’s the only good thing about it. Other then that it looks...
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0/5 found this helpful
Most Recent Reviews Wrong part packaged. by MikeMike, Verified Owner, May 21, 2025
The retainer and spring that stop the buffer spring are way too big. I had to take parts off of another rifle. During close inspection i think they might work in an AR 10. So now i have a spare. For someone just starting a build tho...
Most Recent Reviews Very Satisfied with the whole kit! by CatManDoo, Verified Owner, March 22, 2025
Before making the purchase, I researched the kit details from the Armaspec website to get more information. I purchased the kit, mainly for the Stainless Steel components, like the anti-walk pins, detent pins and springs. Weight was not a concern, s...
Read More...
Read All 18 Reviews

THIS WEEK ONLY!! Special Pricing on Armaspec Products!

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Blazin' Deal
Prices have been cut drastically on this product as part of a special offer. These prices are so low that there's no double-dipping with coupons or any additional discounts, but you'll still get the best deal out there. This offer won't last long, so don't miss out!
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Product Info for Armaspec Superlight .223/5.56mm Gun Builders Kit

If you want to put together your own AR 15 Lower Receiver, pick up the Armaspec Stainless Steel Gun Builders Lower Parts Kit today! Containing everything you need except for the trigger group and grip, this is the perfect option for both experienced and new builders.image

The stainless steel parts are designed to be durable, smooth, and efficient, even after regular use, ensuring your weapon functions perfectly every time. This kit includes the entire bolt catch assembly, as well as everything you need for the magazine catch and release and the takedown/pivot pins.

WARNING: California`s Proposition 65

Specifications for Armaspec Superlight .223/5.56mm Gun Builders Kit:

Manufacturer: Armaspec
Caliber: 5.56x45mm NATO
Gun Make: AR Platform
Gun Model: AR-15
Gun Type: Rifle
Country of Origin: USA

Features of Armaspec .223/5.56 Superlight Gun Builders Kit

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

Package Contents:

  • Armaspec .223/5.56 Superlight Gun Builders Kit

Armaspec Superlight .223/5.56mm Gun Builders Kit Orderable Models

List of Orderable Models

Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/FDE, ARM251-FDE , MPN: ARM251-FDE , UPC: 810048491391 , Code: AMS-LPK-AURCSGBK-ARM251-FDE
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/ODGreen, ARM251-ODG , MPN: ARM251-ODG , UPC: 810048491407 , Code: AMS-LPK-AURCSGBK-ARM251-ODG
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Black, ARM251-BLK , MPN: ARM251-BLK , UPC: 810048491384 , Code: AMS-LPK-AURCSGBK-ARM251-BLK
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Bronze, ARM251-BRZ , MPN: ARM251-BRZ , UPC: 810048493494 , Code: AMS-LPK-AURCSGBK-ARM251-BRZ
Armaspec Superlight .223/5.56mm Gun Builders Kit, SS/Red, ARM251-RED , MPN: ARM251-RED , UPC: 810048491414 , Code: AMS-LPK-AURCSGBK-ARM251-RED
Armaspec .223/5.56 Superlight Gun Builders Kit, SS/Blue, ARM251-BLU , MPN: ARM251-BLU , UPC: 810048491421 , Code: AMS-LPK-AURCSGBK-ARM251-BLU

Armaspec Superlight .223/5.56mm Gun Builders Kit Unavailable & Discontinued Models

List of Unorderable Models

Armaspec Superlight Gun Builders Lower Parts Kit, AR-15, .223/5.56, Purple, ARM251-PRL , MPN: ARM251-PRL , UPC: 810048491445 , Code: AMS-LPK-AURCSGBK-ARM251-PRL
Armaspec Superlight Gun Builders Lower Parts Kit, AR-15, .223/5.56, Silver, ARM251-AG , MPN: ARM251-AG , UPC: 810048491438 , Code: AMS-LPK-AURCSGBK-ARM251-AG
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