User Ratings
No ratings yet
Be the first to review this product
Overview
The Sylvan Arms 9mm Glock Conversion Block converts your AR-15 lower to a 9mm lower using Glock magazines.
Key Features
- Drop-in conversion block for standard mil-spec lowers
- Compatible with most 9mm uppers
- Works with Glock 17 and Glock 19 magazines
- Built of 60601 aircraft-grade aluminum
- Designed, built, and assembled in the USA
- 100% satisfaction guarantee
- Limited lifetime warranty
Specifications
- Manufacturer:
- Sylvan Arms
- Category:
- lower-receiver
- Caliber:
- 9mm Luger
- Platforms:
- AR-15
- Interfaces:
- Glock double-stack mag well (AR-9 PCC — 9mm/40SW/357SIG)
- UPC:
- 852237007907
- MPN:
- GCB100
- Required Component:
- Yes
- Complete Firearm:
- No
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
$76.36
Lowest
$72.75
Highest
$85.87
Price Alert
Sign in to save a target price and receive an email when this component drops.
Sign In to Set AlertSimilar Products

Griffin Armament MK2 Ambi Stripped AR-15 Lower Receiver - Ambidextrous Controls - Flared Magwell - Anodized Black - MK2AL
Griffin Armament
$208.95

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
$79.99

PSA AR-15 Lower Safe/Fire - 1728
Palmetto State Armory
$74.99

Aero Precision AR15 Stripped Lower Receiver, No Small Logo - Anodized Black - APAR148001C
Aero Precision
$59.99
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