Radian Glock 19 Compressor Quick Tune Guide Rod Kit
Enter the screwless design of the Compressor Quick-Tune Guide Rod, with a dovetail interface captured by the spring, creating a simple and secure lock-up.
Most adjustable guide rods on the market use a cap screw to retain the spring. The problem? Loose screws are too common and thread locker forces you to commit to one spring weight.
Enter the screwless design of the Compressor Quick-Tune Guide Rod. The dovetail interface is captured by the spring, creating a simple and secure lock-up. Flutes along the guide rod allow the spring to move with less friction for smoother cycling. The heat treated guide rod has a slick, durable, and corrosion-resistant Nitride finish.
Includes:
- A hardened 17-4 SS Guide Rod
- Three flat wire Springs in 13lb, 15lb, and 18lb weights
- One stainless steel washer for Gen 3
- One stainless steel captive bushing for Gen 4 & Gen 5 compatibility
- A spring compression tool
Compatible with all generations of Glock 19 as well as Glock 19X and Glock 45.


Jason Y. (verified owner) –
Great communication. Quick shipping. The guide rod is excellent, my second one for a TTI combat master g47 that just needed this thing. 11 and 15lb spring legit softest shooting. Buy from small business that cars. Not corporate. I had a question and was answered in a couple hours.
Robert H. (verified owner) –
This review is for the radian quick tune guid rod.
First and foremost , Sol is a stud and doesn’t waste time of any sort. This guy shipped out my order before the end of the day I ordered it, on a Friday, on a holiday weekend.
Now the guide rod, radian quality machining and intuitive design. Easy to change spring too. This is a flat spring so it was noisier at first but wears in over time. The only time I don’t buy from rooftop is if they don’t have it. I will continue to do business with rooftop as long as I am physically able to purchase things online. Well done!
Brandon (verified owner) –
Rooftop at it again with their reasonable prices and fast shipping! As for the recoil spring, the steel design instills a little more trust in the overall durability vs the OEMs polymer rod. The ability to use other aftermarket weights is a positive, too. Should you find you want to slap an 11lbs spring on there, feel free. I found the 15lbs was the happy median( little more flip, but less dip making it easier to track sights), as the 18lbs is the OEM weight and the 13lbs was creating RTB issues in dryfire manipulation(only riding the slide forward, but enoughso for me to not trust the 13lbs ability to operate when needed). Out of 250 rnds only one FTF(looked like an ammo issue as the primer was clearly struck)using both the 18 and 15lbs springs. The Radian is about 10g heavier than the OEM if you run the 18lbs for a duty use or EDC, which, I get it “Oz. equal lbs and lbs equal pain” but like a WML any weight added equals a flatter shooting more controllable firearm. Anyone that has read this far, buy with confidence
Kimbey (verified owner) –
Bought, shipped, & arrived to my doorstep within 2 days. No price gouging from Rooftop. Radian ramjet turned my Glock 45 into a more pleasurable shoota.
Herbert M. (verified owner) –
Incredibly fast response to my question. Great price. Got my order in two days. A fellow Arkansan. A free Ramen dinner. What more could you ask for. I’ll definitely be a repeat customer.