Please Note: These fit  Generation 1-3 Glock Pistols Only. If you want to use it on a GEN 4 Glock model you will need an adapter sold separately.

This Guide Rod Assembly will NOT work without adapter in Gen 4 configurations.

NDZ Performance stainless steel guide rods provide a decisive advantage for all Glock owners. Special features include a rigid stainless steel body that improves lock up by completely removing “guide rod flex”. The hex screw removable tip allows the user to choose various spring weights that will calibrate the ammunition to his gun. Used by Law Enforcement and competitive shooters worldwide, will not chip or crack like the factory plastic guide rods are prone to do. Will not damage or wear your polymer frame and guaranteed to provide a lifetime of reliable service.

We recommend the use of Blue Loctite on the hex screw threads. This will provide a firm hold and still allow easy removal when necessary.

ISMI premium springs are manufactured exclusively with certified aerospace specification alloys; chrome silicon. The springs are heat treated, shot peened and stress relieved after winding to enhance performance and durability. ISMI sets the standard for OEM, aftermarket recoil spring replacement.

Glock Factory Recoil Spring Weights by Model

• Glock Models: 17, 17L, 20, 21, 22, 24, 31, 34, 35, 37 – Factory Stock Spring weight is 17lbs
• Glock Models: 19, 23, 32, 38 – Factory Stock Spring weight is 18lbs

What Recoil spring Weight do you need?

• 11 – 13lbs Spring weight is typically used for Competition Shooting, or if you are using a Recoil Compensator on your Barrel.

A lighter weight Recoil spring allows for a faster recoil time. This allows the shooter to stay on target longer and makes target re-acquisition, Faster and Easier.

• 16lbs Recoil Springs are for Reduced Power Ammunition Loads
• 17 – 18lbs Glock Factory Weight Recoil Springs
• 19 – 24lbs Recoil Springs are for Heavy Power Ammunition Loads +p or +p+
Please Make sure you are using the correct loads for the springs or you will have cycling issues.

NDZ Performance offers fast handling time; ships same to next business day with tracking provided!!

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Shipping

Almost all of our items ship domestic for FREE! See individual items for details. This includes the United States and territories, FPO’s APO’s and PO Boxes. We process and ship all orders within same to following business day; Monday – Friday. Although most of our items qualify for Free USPS First Class Mail we do offer additional services that can be selected at check out.

Your order will ship with the carrier selected and per their shipping time frames estimates. While the seller controls Handling Times, eBay displays the On or Expected Delivery time frames which is based on their algorithm. We as the seller do no guarantee specific dates for delivery. You will receive an email and tracking information for all orders when your order is processed.

Please allow up to 48 Hours for the tracking information to update per the carriers. All shipments are to our outbound location and picked up daily. All USPS First Class Mail shipments follow an estimated 5 to 7 business day (M-F) transit time frame with some deliveries seen as early as 3 and as late as 10 business days based on location and transit days.

In the event there is a shipment inquiry after a posted delivery has been made we request contact is made to the carrier’s offices of the location. Business days are defined as Monday through Friday and exclude Weekends and All Major US Holidays.

We offer very competitive USPS shipping rates on our international orders. Please Note: USPS First Class International shipping is a non-trackable service. Should you wish to track a package, please select a serviced such as USPS Priority or USPS Express.

We take great Pride in packaging and processing every shipment leaving our facility.

Returns

Items must be in “new, unaltered and unused condition” with all included components and accessories (if applies). Definition of new, unaltered and unused condition is:

• Without showing signs of wear or damage in any way
• Returns as stated within the item description and or per ebay return guidelines.
• Must not be a special order or a custom order
• No Returns Accepted on items liquidated or Clearance (unless otherwise stated within listing)

If an item is received damaged or is incorrectly shipped by us please contact our Customer Support immediately by the eBay Message Center. We ask to please allow 24 to 48 business hours to address messages received. We warranty all products manufactured in house. Products manufactured by other companies will follow their individual warranties. Refunds are contingent upon inspection of item(s) once we receive it.

Note: a 10-50% restocking fee may apply for returned items, please see each item for details. Refunds will be for the product sales amount only

Here at NDZ Performance, we operate a full manufacturing facility, our own graphics department and a sales team dedicated to making every experience a great one. We have the common sense, talent, experience to get the job done quickly and effectively. In the event we do not have the information requested for you we will always provide the best source to get you the most accurate answers.

All NDZ manufactured products carry our warranty services against manufacture defects and we ask contact is made in the event there is ever a question. Rest assured that, every part we manufacture is made right here in the United States.

Contact Us

We also offer one of the quickest turn-around time for our products. We ship daily and do our best to ship your order the same day to following business day.

NDZ Performance is committed to the ultimate shopping experience, providing the best quality product and one-stop-shop for all your informational needs, topped with excellent presentation and customer service. If you have any follow up questions, comments or concerns, feel free to send us a message through eBay.

Please allow 24 to 48 business hours to address messages, and make sure to include as much information as possible to help ensure quality service. The more information provided at once allows us to address any concerns much more efficient therefore please provide ONE detailed message and allow us time to response.