Radical Firearms MHR 300 AAC Blackout 10.5 Inch AR Pistol Black
User Ratings
No ratings yet
Be the first to review this product
Radical Firearms Forged AR Pistol 10.5" 300BLK HBAR with SBA3 brace. SPECIFICATIONS include Barrel Length 10.5", Barrel Material 4140 Chrome Moly Vanadium, Barrel Finish Melonite, Barrel Profile Hbar, Thread Pitch 5/8x24, Chamber 300BLK, Twist 1:8, Gas System Pistol Length, Gas Block .750 Low Profile, Muzzle Device A2 Flash Hider, Upper Receiver Material Forged 7075 T6, Upper Receiver Style M4 MIL-STD, Upper Receiver Finish Type III Anodizing, Forward Assist MIL-STD, Dust Cover MIL-STD, Handguard Type Free Float, Handguard Style M-lok Hybrid Rail, Handguard Length 9", Charging Handle MIL-STD, Lower Receiver Forged 7075 T6, Lower Receiver Finish Type III Anodizing, Safety MIL-STD, Fire Control Group MIL-STD, Buffer Tube Carbine Buffer Tube, Pistol Brace SB-TACTICAL SBA3, Magazine 5.56 30 Round
Specifications
- Manufacturer:
- Radical Firearms
- Category:
- lower-receiver
- Caliber:
- .300 AAC Blackout
- Platforms:
- AR-15
- Interfaces:
- AR-15 barrel nut patternMuzzle thread: 5/8-24Magpul M-LOKMIL-STD-1913
- Length:
- 10.5"
- UPC:
- 814034022026
- MPN:
- FP10.5-300HBAR-9MHR-SBA3
- 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
$739.07
Lowest
$739.07
Highest
$739.07
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertBundle Package
This is a bundled product that includes multiple components. The exact contents may vary - check the product description for more details.
• Complete assembly ready to use
• Multiple components included
• Value package pricing
Similar Products
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
Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
Griffin Armament
$189.99
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