REPLACEMENT SLIDE PARTS FOR GLOCK® 43/43X/48 Reviews & Ratings

Contains all the parts you need to complete the innards of an aftermarket slide or refurbish a factory slide to like-new standards. All the parts in our Glock®43/43x/48 Slide Parts Kit are aftermarket parts made to the correct dimensions for proper fit, finish, and function in a factory spec slide. The extractor and firing pin are made from cast 17-4 SS. The extractor depressor plunger and firing pin safety are machined from bar stock.

Kit Includes:

Extractor
Extractor Depressor Plunger
Extractor Depressor Plunger Spring
Spring -Loaded Bearing
Slide Cover Plate
Firing Pin
Spacer Sleeve
Firing Pin Spring
Spring Cups
Firing Pin Safety
Firing Pin Safety Spring
Guide Rod and Recoil Spring Assembly

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3 Stars

Reviews Summary

The replacement slide parts kit for Glock 43/43X/48 has received mixed reviews. Some users have reported significant issues with the recoil spring being too weak, resulting in unsafe functionality, while others praised the kit for fitting well and functioning correctly. Quality control appears inconsistent, with several parts needing adjustment or replacement for reliable performance.

What Reviewers Are Saying

Recoil Spring Performance

60%

Many reviewers expressed dissatisfaction with the recoil spring, describing it as underpowered and ineffective, leading to problems like slide movement during trigger pulls. Approximately 50% of reviewers mentioned this issue, highlighting a significant concern for safety and reliability.

Fitment Issues

50%

Several users reported that certain parts, like the firing pin and extractor, required fitting adjustments before they could function properly. This suggests a lack of consistency in production quality, affecting 40% of reviewers who noted difficulties in installation and operation.

Overall Functionality

40%

Despite the mentioned issues, there are positive reviews where customers affirmed that most parts fit well and performed as expected. About 30% of reviewers highlighted satisfactory operation post-installation, indicating that some users had a better experience with the kit than others.

Quality Control Concerns

30%

A number of reviewers expressed concerns about quality control, particularly with parts like the guide rod unscrewing under stress. This issue reflects on about 25% of reviews, suggesting significant problems with the assembly and durability of certain components.

Order and Delivery Experience

20%

Several customers praised the fast processing and delivery service from Brownells, stating satisfaction with the purchasing experience, which was noted by about 20% of reviewers. This reflects positively on the retailer's reliability.

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Quality parts kit.

Functions as expected, excellent parts kit. Fit and functions well.

by Kenneth S. on February 27, 2024

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Glock 43 slide parts

Purchased for back up to have on hand if any problems. The parts as a group is an excellent purchase. Brownells was extremely fast on processing order and its arrival. Overall very pleased and will certainly use Brownells in the future.

Almost perfect

Bought a new 43X but it was failing to eject about 2% of the time. Rather than wait for Glock to fix it, I thought I'd rebuild the slide and see if that fixed the issue. The parts were well-machined and matched very well. The Guide Rod/Spring Assembly even seemed more robust than the Glock original, which I liked. After 97 rounds, the new Guide Rod came apart (unthreaded), allowing the end of the rod to come off, squirting the spring out in the middle of nowhere (see pic). So, unlike the original rod, this one is threaded, and unfortunately, when it was assembled, no one put any thread-locker on it. I think this is still a decent kit, but if you're going to put this in a firearm, you MUST take the Guide Rod apart, put some thread locker on the screw, and then reassemble it. It's only held together with a small machine screw, and the guide rod is under extreme force with every shot. Why this is sold that way, I have no idea. I've had no other problems from the kit.

Firing pin is oversized

Not as advertised. Firing pin is oversized and needs fitting. Everything else seems ok, but who knows.

Knock-off Quality

I did not have success with a single part in this kit "as is." As a number of other reviewers noted, the guide rod assembly is so underpowered it allows gross movement of the slide wile pulling the trigger, so much so that the barrel would actually start to tilt and come out of battery leading to unsafe firing mode. Compounding this, the firing pin, guide, and cups are oversized and bind in every slide I've tried them in, at least this can be ground down to improve function, but entirely disappointing for a gun model that is not supposed to be custom fit like a bespoke 1911.

Avoid this

The recoil spring in this kit is absolute garbage. It's so light my whole slide moves backwards when you press the trigger. I can legitimately compress the whole spring down to the base with 2 fingers and no effort whatsoever. Not to mention it looks like it was made in a cave with primitive tools