PRECISION PARTS.
TRUSTED SOURCE.
Performance GLOCK-Compatible Components and Precision Gunsmithing — Designed for Competitive Shooters.
BUILT FOR PERFORMANCE.
Tested by Competitive Shooters.
PRECISION MACHINED
To the Highest Standards.
MADE IN THE USA
Proudly Manufactured in the United States.
FAST SHIPPING
Orders Ship Quickly via UPS.
Featured Products
JRC Frame Weight — compatible with GLOCK pistols
Add forward weight for improved control and reduced muzzle flip.
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JRC Thumb Rest — compatible with GLOCK pistols
Enhanced comfort and control for better grip consistency.
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JRC Heavy Weight Magwell
Compatible with GLOCK G17, G22, G34 & G35 pistols — Gen 1–4 small frame only. Fast, reliable reloads with a precision-machined design.
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Muzzleloader Parts
Quality parts for smokeless and traditional systems.
Shop NowTop Quality
Precision You Can Trust
Expert Support
We're Here to Help
Family-Owned Business
Built on Integrity & Experience
Competitive Experience
Built by Shooters, for Shooters
BUILT FOR SHOOTERS,
BY SHOOTERS.
JRC Guns is a licensed FFL manufacturer specializing in high-quality Muzzleloader and GLOCK-compatible platform parts and accessories. Every component we sell is one we'd put on our own builds — no filler, no fluff.
Looking for a custom muzzleloader build? John Nagel works one-on-one with each customer. A basic build with a Spandau rifle and Arken scope starts at $1,800.00. Contact us to discuss the configuration for your build.
Whether you're building from scratch, upgrading your current setup, or stocking up on essentials, our team is here to help you get it right.
Custom Muzzleloader BuildsWhat Our Customers Say
"John and Rachel are great people to work with. John's 30 cal muzzleloader build is spot on and my son is enjoying it. It shoots lights out and with the addition of MY suppressor I may never get to shoot it myself."
Brandon Godwin
Oct 2026
"Excellent and top-quality built rifles. Top quality customer service. My 30cal muzzleloader is an outstanding shooter!"
ENCORE Ultimate
Sep 2026
"Excellent quality and customer service. It was exactly what I needed! Not to mention it looks unbelievable on my Glock!"
Aj Luongo
Aug 2026
"Perfect fit, function on the frame weight. Excellent customer service/communication as well!"
Matthew Santos
Jul 2026
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