The Radian Weapons AG173/4 Compressor Guide Rod is a quick-tune upgrade for Glock 17 Gen 3 and Gen 4 pistols that ditches the common cap-screw design in favor of a smarter, more reliable approach. Instead of wrestling with loose fasteners or committing to a single spring weight with thread locker, the Compressor uses a captured dovetail interface — the spring itself locks everything down securely. It's a small change that eliminates a real pain point for shooters who want adjustability without the headaches.

The guide rod itself is machined from hardened 17-4 stainless steel and finished in durable Nitride, which delivers genuine corrosion resistance and a slick, long-lasting coating that stands up to repeated firing cycles and cleanup. Fluted design along the length reduces friction as the spring compresses and extends, promoting smoother cycling and more reliable function through your rounds downrange.

What makes this kit genuinely useful is what ships in the box: you get three interchangeable flat-wire springs (13 lb, 15 lb, and 18 lb) so you can tune the feel and reliability to your carry load, duty ammo, or range preference without swapping components. The included stainless steel washer and captive bushing ensure you're set for Gen 3 or Gen 4 compatibility right out of the box. If you're tired of wrestling with guide rod springs or looking to dial in your Glock 17's recoil impulse, this is solid engineering that actually solves a problem.

The Radian Weapons AG173/4 Compressor Guide Rod is a quick-tune upgrade for Glock 17 Gen 3 and Gen 4 pistols that ditches the common cap-screw design in favor of a smarter, more reliable approach. Instead of wrestling with loose fasteners or committing to a single spring weight with thread locker, the Compressor uses a captured dovetail interface — the spring itself locks everything down securely. It's a small change that eliminates a real pain point for shooters who want adjustability without the headaches.

The guide rod itself is machined from hardened 17-4 stainless steel and finished in durable Nitride, which delivers genuine corrosion resistance and a slick, long-lasting coating that stands up to repeated firing cycles and cleanup. Fluted design along the length reduces friction as the spring compresses and extends, promoting smoother cycling and more reliable function through your rounds downrange.

What makes this kit genuinely useful is what ships in the box: you get three interchangeable flat-wire springs (13 lb, 15 lb, and 18 lb) so you can tune the feel and reliability to your carry load, duty ammo, or range preference without swapping components. The included stainless steel washer and captive bushing ensure you're set for Gen 3 or Gen 4 compatibility right out of the box. If you're tired of wrestling with guide rod springs or looking to dial in your Glock 17's recoil impulse, this is solid engineering that actually solves a problem.