DoubleStar AR15 Lower Parts Kit - .223 Rem / 5.56 NATO
or 4 interest-free payments of $18.00 with 
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
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- 90-day no-hassle returns policy
- Backed by the DSC's Warranty! what it covers
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Product description
DoubleStar AR-15 Lower Parts Kit – Complete Mil-Spec LPK with Fire Control Group
Features
- Complete AR-15 lower parts kit for .223 Rem / 5.56 NATO builds
- Includes full fire control group with pins and springs
- Mil-spec heat treated 8620 steel fire control components
- Finished contact surfaces for a crisp trigger pull with minimal creep
- Coiled steel spring pins for improved retention and durability
- Includes an extra takedown detent and spring for spares
The DoubleStar AR-15 Lower Parts Kit provides all essential components needed to complete a standard AR-15 lower receiver. Built with high-quality American-made parts, the fire control group features heat-treated 8620 steel with finished engagement surfaces for a clean, reliable trigger pull. This kit is well suited for new builds or refurbishing a stripped lower while maintaining proper mil-spec function.
Specifications
- Brand: DoubleStar Corp.
- Model: 556
- MPN: AR270
- Caliber Compatibility: .223 Rem / 5.56 NATO
- Finish: Black
What’s Included
- Fire control group (trigger, hammer, disconnector)
- Fire control group pins and springs
- Bolt catch assembly
- Magazine catch assembly
- Front pivot pin
- Rear takedown pin
- Takedown detents (2) + extra detent
- Takedown springs (2) + extra spring
- Trigger guard pin
- Pistol grip with screw and washer
- Buffer detent and buffer detent spring
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Questions & Answers
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Warranty & returns
Backed by the DSC's Warranty!
DoubleStar Limited Lifetime Warranty
DoubleStar will warranty all firearms manufactured by DoubleStar against any and all manufacturer’s defects in material and workmanship which affect reasonable operation for the lifetime of the firearm to the purchaser.
Parts and accessories are warrantied for 90 days.
The following are specifically excluded from coverage under this warranty and will cause said warranty to become null and void:
- Damage or malfunction resulting from accident, negligence, misuse, or unauthorized repair or alteration;
- barrel obstruction;
- use of ammunition other than NATO and/or SAAMI specification new production ammunition;
- use of any hand loaded, reloaded, imported or factory re-manufactured ammunition;
- failure to provide reasonable and necessary maintenance as described in the Operation Manual accompanying the firearm;
- rust or corrosion;
- use of replacement parts other than parts authorized by DoubleStar for use in DoubleStar firearms;
- any unauthorized repair or any alteration, including of a cosmetic nature, performed on the firearm by an individual, organization, company or entity other than DoubleStar, unreasonable or excessive use of the firearm.
Any finished products that are not assembled at our facilities, or are assembled using imported or used parts.
This includes complete rifle kits, upper receivers, lower receivers, barrel assemblies, etc.
No implied warranties of any kind are made herein.
Limited lifetime warranty does not apply to any accessory items.
DoubleStar assumes no liability for accidental or consequential damages. Some states do not allow the exclusion or limitation of accidental or consequential damages and therefore this limitation may not apply to you.
Return Of Defective Goods
- All DoubleStar products are manufactured in the USA using the finest quality materials.
- All DoubleStar products are warranted against defects in material and workmanship.
- DoubleStar will repair or replace a defective product (or part/component).
- This warranty is limited to repair or replacement of the defective product, part, or component.
- DoubleStar will determine in its sole and exclusive discretion whether to repair or replace a product, part, or component.
- DoubleStar also reserves the right to determine the means and materials by which such repair or replacement will be made.
- This warranty is in lieu of all other warranties, expressed or implied.
- This warranty only applies to the original purchaser, purchasing through DoubleStar, or a DoubleStar authorized dealer or distributor.
- All defective product returns must be pre-authorized by DoubleStar customer service and be accompanied by an RMA Number. You must contact customer service to receive an RMA Number prior to returning any product.
- You must have your original purchase paperwork, including your receipt or other proof of purchase, and be willing to provide these documents to DoubleStar.
- This warranty and return of defective goods policy applies to all purchasers, including but not limited to dealers, distributors, and retail customers.
Contact Details:
- Telephone: (859)745-1757
- Email: returns@star15.com
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
