Rock River Arms LAR-300 300 AAC Blackout Rifle 16in Barrel 20rd
User Ratings
No ratings yet
Be the first to review this product
Rock River Arms LAR-300 rifle in 300 AAC Blackout with a 16" Chrome Moly HBAR, 1:8 twist, and 20-round magazine. Features include a low-profile gas block, Smith Vortex flash hider with 5/8-24 threads, a free-floating Deluxed Extended Rail handguard, RRA two-stage trigger, Hogue rubber grip, and RRA Operator CAR stock. Includes: 1 magazine, weapon wipe, case, manual, and warranty.
Specifications
- Manufacturer:
- Rock River Arms
- Category:
- lower-receiver
- Caliber:
- .300 AAC Blackout
- Platforms:
- AR-15
- Interfaces:
- Muzzle thread: 5/8-24
- Weight:
- 115.2 oz (7.20 lbs)
- Length:
- 36.0"
- UPC:
- 842834108800
- MPN:
- BLK1542
- 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
$1,238.99
Lowest
$1,131.99
Highest
$1,238.99
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
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