Stern Defense AR-15 Parts & Accessories
Stern Defense is a trusted manufacturer of high-quality AR-15 parts and accessories, known for their commitment to durability and precision. Their products, including bolt carrier groups, handguards, muzzle devices, and triggers, are designed and made in the USA, with a heritage spanning over 20 years as a family-owned business.
Stern Defense has been in business for 20+ years.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
Stern Defense has 49 products available on GunPartPicker, ranging from $29.63 to $593.99.
Stern Defense Product Categories
- Upper Receiver: 20 products
- Handguard: 8 products
- Bolt Carrier Group: 8 products
- Muzzle Device: 7 products
- Trigger: 3 products
- Glock Magazine: 3 products
Stock status: 30 in stock, 19 out of stock.
Stern Defense on GunPartPicker
Builders have been adding Stern Defense parts to their builds on GunPartPicker since April 2026. The most added: Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK, Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group - SD BU9 NIB ECHO and Stern Defense SD 4in MOD4 M-LOK 4in Barrel 9mm Black Complete Upper Receiver Black SDINBRLKK. About 61% of the 49 Stern Defense products we track are in stock today.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Stern Defense products
Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group - SD BU9 NiB ECHO$169.99In stock
Stern Defense Hg15 Mod4 M-Lok Ar-15 Handguard - 15"$109.99In stock
Stern Defense, Llc H2s Hybrid Trigger Drop-in 2 Stage$137.00In stock
Stern Defense Melonite .40S&W Complete Bolt Carrier Group - SD BU40$140.27In stock
9mm Bolt Replacement Kit$29.63In stock
Stern Defense .45ACP Mod 1 Muzzle Device - SDCB45 MOD1$41.49In stock
Stern Defense Hg8 Mod4 M-Lok Ar-15 Handguard - 8"$87.99In stock
Stern Defense 9mm Muzzle Device, Black- SD CB9 MOD1$56.99In stock
About Stern Defense
Stern Defense is a trusted manufacturer of high-quality AR-15 parts and accessories, known for their commitment to durability and precision. Their products, including bolt carrier groups, handguards, muzzle devices, and triggers, are designed and made in the USA, with a heritage spanning over 20 years as a family-owned business.
Brand Overview
Available At
What Builders Choose
Based on real buildsTop Stern Defense products builders are adding
Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group - SD BU9 NiB ECHO
Stern Defense SD 4in Mod4 M-Lok 4in Barrel 9mm Black Complete Upper Receiver Black SDINBRLKK
Stern Defense Hg15 Mod4 M-Lok Ar-15 Handguard - 15"
Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB
Stern Defense .45 ACP Flash Can, Black- SD RBC45
Customer Ratings & Reviews
No reviews yet for this brand.