Black AR-15 Build Kits and Assemblies
Sort
Filter
Show In-Stock Only?
Price
Brands
- Magpul Industries (212)
- AT3 Tactical (190)
- UTG (115)
- Aero Precision (67)
- LBE Unlimited (54)
- Bravo Company (47)
- Fortis Manufacturing (36)
- STNGR (29)
- B5 Systems (15)
- Spike's Tactical (13)
Caliber
- .223/5.56 (512)
- 9mm (374)
- .300 Blackout (134)
- 6.5 Grendel (39)
List
Grid
-
Magpul MOE M-LOK Furniture Kit – Stock, Carbine Handguard & Grip for AR 15
Customize the look and feel of your AR with a Magpul MOE Furniture Kit. Save 15% vs purchasing all parts individually! This furniture set contains 3 easy-to-install components - MOE...24 Options -
AT3™
AT3 SPEAR Furniture Kit – AT3 AR 15 M-LOK Handguard, Magpul MOE Stock &...
Accurize and customize your AR with an AT3 Free-Float Rail and matching Magpul furniture! Save by bundling vs purchasing the parts individually, plus free shipping. This furniture set contains 3...24 Options -
UTG Pro AR-15 Ops Ready S4 Mil-Spec Stock Kit – Buffer Assembly Included
Compact AR-15 Stock Kit for CQB and PDWs The two-piece S4 stock comes with a complete set of all the parts you'll need for finishing off your AR-15's recoil system. ...2 Options -
UTG Pro Six Position Mil-spec AR 15 Buffer Tube Kit
Complete UTG Buffer Assembly - Add Your Own Stock This receiver extension kit from UTG comes with a buffer tube, buffer spring, 3.0 oz carbine buffer, castle nut, and endplate. ...2 Options -
Magpul CTR Stock Kit | Furniture Kit for AR-15– CTR Stock, MOE+ Grip &...
Transform Your Rifle With The Magpul Premium Furniture Kit Save by bundling vs purchasing the parts individually! Exclusively from AT3 Tactical This Premium version of our popular, easy-to-install MOE furniture...12 Options -
Magpul MOE SL Furniture Kit | AR 15 Stock, Grip & M-LOK Handguard
Stand out from the crowd - Upgrade your AR-15 with the Magpul MOE SL™ Slim Line Furniture Kit Save over 15% vs purchasing the parts individually, plus free shipping. Exclusively...12 Options -
RECOMMENDED
UTG A2 Fixed AR 15 Rifle Stock Assembly – All Parts Included – Buffer,...
Highly Recommended Rock Solid Fixed Stock - Tough Finish, Easy to Install This is a complete kit that includes a 4.8-ounce buffer, action spring, receiver extension, stock, butt plate, stock... -
AT3™
AT3™ 2-Stage AR 15 Lower Parts Kit with Nickel Boron Trigger – No Grip...
Experience the difference a 2-Stage Trigger makes in your next build. AT3 is pleased to offer the dependability of our Pro-Builder Lower Parts kit with the 2-Stage Nickel Boron Trigger.... -
UTG PRO 6-Position Mil-spec AR 15 Stock Kit – All Parts Included – Buffer,...
UTG PRO 6-Position Mil-spec Stock Kit - All Parts Included - Buffer, Tube, Springs, & More Proudly Made in USA Polymer Stock Made from Impact Resistant High-strength Material Mil-spec Diameter...2 Options -
UTG PRO S3 Mil-Spec AR 15 Buttstock Kit – All Parts Included – Buffer,...
UTG PRO S3 Mil-Spec Buttstock Kit - All Parts Included - Buffer, Tube, Springs, & More Built for Heavy-duty Use with the Tightest Tolerance Controls to Provide the Most Secure...2 Options -
AT3™
AT3 AR 15 Lower Build Kit – Magpul Stock and Grip, AT3 Lower Parts...
Finish Off Your New Rifle Lower with an Enhanced Trigger and Matching Magpul Furniture Your AR lower has some of the most critical parts you don't want to skimp on...4 Options -
AT3™On Sale
AT3™ FF-ML 11.5″ Complete AR 15 Pistol Upper – .223/5.56 11.5″ Ballistic Advantage Barrel...
The AT3 11.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....8 Options -
AT3™
AT3™ FF-ML 10.5″ Complete AR 15 Pistol Upper – Choose Your Own 10.5 inch...
The AT3 10.5" Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....16 Options -
B5 Systems Bravo AR-15 Furniture Kit – Stock, Carbine M-LOK Handguard, and Pistol Grip
B5 Systems Furniture Kit for AR-15 B5 Systems makes some of the toughest, most ergonomic parts on the market. And you can easily upgrade your AR-15 with three components from...4 Options4 Options4 Options -
RECOMMENDED
Bravo Company Gunfighter MOD0 SOPMOD Stock Kit – Includes all Receiver Extension/Buffer Parts
Bravo Company Gunfighter MOD0 SOPMOD Stock Kit Bravo Company's BCMGUNFIGHTER Stock Assembly Mod 0 SOPMOD is a Mil-Spec receiver extension kit that includes a locking nut M4, Mil-Spec carbine action...2 Options -
AT3™RECOMMENDED
AT3™ FF-ML Complete Rifle AR 15 Upper – .223/5.56 16″ Ballistic Advantage Barrel –...
16 Inch Lightweight AT3 Upper with 15 Inch Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....16 Options -
UTG PRO S2 Mil-Spec AR 15 Buttstock Kit – All Parts Included – Buffer,...
UTG PRO S2 Mil-Spec Buttstock Kit - All Parts Included - Buffer, Tube, Springs, & More Built for Heavy-duty Use with the Tightest Tolerance Controls to Provide the Most Secure...2 Options -
LBE Unlimited AR-15 Pistol Buffer Tube Kit
LBE Unlimited AR Pistol Buffer Tube Kit The LBE Unlimited AR Pistol Buffer Tube Kit comes with everything to finish the recoil system for your AR-15 pistol. The kit includes... -
AT3™
AT3™ FF-ML 11.5 Inch Complete AR 15 Pistol Upper – .223/5.56 11.5 Inch Faxon...
AT3 11.5" Pistol Upper with Faxon Firearms Midlength Barrel - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed....8 Options -
AT3™
AT3™ FF-ML 10.5 Inch .300 Blackout Pistol Upper for AR-15 – 12″ M-LOK Free...
AT3 10.5" .300 BLK Pistol Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability -...8 Options -
UTG PRO S1 Mil-Spec AR 15 Buttstock Kit – All Parts Included – Buffer,...
UTG PRO S1 Mil-Spec Buttstock Kit - All Parts Included - Buffer, Tube, Springs, & More Built for Heavy-duty Use with Tightest Tolerance Control Providing the Most Secure Fit and...2 Options -
AT3™
AT3™ FF-ML 16 Inch .300 BLK Complete AR 15 Upper – .300 AAC Blackout...
The AT3 16" .300 BLK Rifle Upper with SPEAR M-LOK Handguard - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability...8 Options -
AT3™On Sale
AT3™ FF-ML 10.5 Inch Complete PCC AR 15 Upper – 9mm 10.5 Inch Faxon...
AT3 10.5" 9mm Complete Upper - Made to Order and Ships in 7 Days AT3 Complete Upper assemblies are Built for Accuracy and Reliability - Guaranteed. Quality Where it Counts...8 Options -
RECOMMENDED
STNGR 16″ .223 Wylde Complete Upper Receiver w/ 15″ HWK® Handguard, BCG & CH
STNGR Complete .223 Wylde Upper with HWK Handguard Introducing the new STNGR Complete Upper. As the name suggests, it comes complete with all the parts needed to have you sending...
Back to top