American Defense AR-15 Parts & Accessories
American Defense is a veteran-owned manufacturer of a wide range of AR-15 parts and accessories, including bolt carrier groups, forward assists, lower receivers, optic mounts, and takedown pins. Their products are designed for duty and professional use, with a focus on quality and reliability.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
American Defense has 572 products available on GunPartPicker, ranging from $13.49 to $2799.00.
American Defense Product Categories
- Optic Mount: 554 products
- Complete Rifle: 8 products
- Lower Receiver: 7 products
- Takedown Pin: 1 product
- Forward Assist: 1 product
- Bolt Carrier Group: 1 product
Stock status: 208 in stock, 364 out of stock.
American Defense in August 2026
American Defense ranked #74 of 319 brands on GunPartPicker in August 2026, just behind Fab Defense, with about 1 in every 500 parts builders added. Up from #87 in July. Builders reached for American Defense mostly for lower receiver parts. The most added single part was the American Defense UIC Billet Lower Receiver - Ambidextrous, on top again this month.
Optic mounts were the busiest American Defense category in August: 212 products came back in stock, several more than once. About 36% of the 572 American Defense products we track are in stock today.
Also popular this month: American Defense Manufacturing AR-15 Uic Stripped Lower Receiver Ambidextrous, American Defense Mfg., UIC BILLET, Semi-automatic, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black - AD-UICLS-Black, American Defense Uic Billet AR-15 Lower Receiver - Ambidextrous and ADM UIC10A18BLKCSASSMLOK UIC10 18" 308.
All American Defense monthly updates →
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
American Defense products
American Defense Manufacturing Ar-15 Uic Stripped Lower Receiver Ambidextrous$383.76In stock
American Defense QR 34mm Scope Mount, Black - AD-RECON-SL-34-STD$192.84In stock
American Defense Recon High Quick Detach 30mm Scope Mount - Black$220.54In stock
American Defense Recon Straight Quick Detach 30mm Scope Mount - Black$174.40In stock
American Defense Recon Straight Quick Detach 1" Scope Mount - Titanium Lever - Black$215.66In stock
American Defense QR Mount for Picatinny Fits 1" Scope, Blk - AD-RECON-1-STD$180.68In stock
American Defense Recon Straight Low Quick Detach 30mm Scope Mount - Titanium Lever - Black$215.66In stock
American Defense QR 30mm Scope Mount 30MM, Black - AD-RECON-SL 30 STD$192.84In stock
About American Defense
American Defense is a veteran-owned manufacturer of a wide range of AR-15 parts and accessories, including bolt carrier groups, forward assists, lower receivers, optic mounts, and takedown pins. Their products are designed for duty and professional use, with a focus on quality and reliability.
Brand Overview
Available At
What Builders Choose
Based on real buildsTop American Defense products builders are adding
American Defense UIC Billet Lower Receiver - Ambidextrous
American Defense Mfg UIC Mod 2 .223 Wylde 16", Black - UICR5BLK13M2MLOK
American Defense UIC Criterion Core Patrol .223 Wylde AR-15 Rifle, 13.9" Barrel with Pined and Welded Surefire Warcomp - FDE - ADM - UICR5FDE13M2MLOK
American Defense Premium M16 / Ar-15 Bolt Carrier Group - Nitride Finish
American Defense Forward Assist Assembly
American Defense Enhanced Takedown Pivot Pin Kit
Customer Ratings & Reviews
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