User Ratings
No ratings yet
Be the first to review this product
HM Defense Defender M556L 5.56mm NATO / 223 Remington 16in Black Hardcoat Anodized Semi Automatic Modern Sporting Rifle - 30+1 Rounds - Barrel - the Defender M556L features HM MONOBLOC 16in chromoly barrel with a 1:8 twist and mid-length gas system. Rail - 15in free float Picatinny rail CNC machined from 6061-T6 aluminum. Lower - Mil-Spec forged 7075-T6 M4 lower with hardcoat anodized finish. Upper - Mil-Spec forged 7075-T6 M4 upper with hardcoat anodized finish, M4 feed ramps, and 1913 Picatinny rail flat top. Components - M16 bolt carrier group and Mil-Spec components, trigger and fire control group, charging handle and buffer tube/spring. End plate - quick disconnect (QD). Furniture - Mil-Spec stock and Magpul MOE grip. Magazine - 30 round magazine included. Made in America.
Specifications
- Manufacturer:
- Hm Defense
- Category:
- lower-receiver
- Caliber:
- 5.56x45mm NATO
- Platforms:
- AR-15
- UPC:
- 854164007388
- MPN:
- 580819
- Required Component:
- Yes
- Complete Firearm:
- Yes
Parts Cabinet
Track parts you own or plan to buy.
Where to Buy
Sponsored
MantisX
The smart way to train your AR build
Built your rifle — now train it. BlackBeardX installs in minutes and turns your AR into a full dry fire system with smart feedback on every pull.
Shop BlackBeardXPrice History
Current
$1,036.99
Lowest
$1,036.99
Highest
$1,036.99
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertWhat's Included in this Bundle
Similar Products
Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
Griffin Armament
$189.99
Aero Precision Inc M4E1 223/5.56mm AR-15 Stripped Lower Receiver
Aero Precision
$108.50
Geissele Automatics Super Duty Stripped AR-15 Lower Receiver - Desert Dirt
Geissele Automatics
$200.00
AERO PRECISION AR-15 Gen 2 Stripped Lower Receiver - Matte Black
Aero Precision
$89.99
LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver
LMT
$342.00
PSA AR-15 "Stealth" Stripped Lower Receiver
Palmetto State Armory
$69.99
PSA AR-15 Lower Safe/Fire - 1728
Palmetto State Armory
$64.99
PSA AR-15 M4 Carbine Stripped Lower Receiver
Palmetto State Armory
$79.99
Builds Using This Part
No builds yet — be the first to use this part.
Related Guides
Guide
AR-10 Receiver Patterns: DPMS vs. Armalite Compatibility
The AR-10 has two incompatible receiver patterns — DPMS and Armalite — that look similar but do not share parts. This guide explains the differences and how to buy correctly.
6 min read
Guide
The AR-10 Platform: What It Is and How It Differs from the AR-15
A practical overview of the AR-10 — its origins, how it differs from the AR-15, available calibers, and when it makes more sense than a standard AR-15 build.
6 min read
Guide
AR-15 Components: A Complete Reference Guide
A comprehensive overview of every major component in an AR-15 build—including what's inside bolt carrier groups and parts kits—organized by assembly for new builders.
12 min read