Pdp new style optic cut. 0 style? Not flat but the cut outs.

Pdp new style optic cut Walther DEFENSE PDP 1. 0 optic plate mounting system; Allows for easy mounting of any optics with an RMR footprint like Trijicon RMR / SRO, Holosun 407C / 507C / 507 Comp / 508T onto the gun; This optic adapter provides a convenient solution for optic attachment Walther PDP Leupold DPP Gen 2 Optic Plate Adapter 5136212 For Sale. 1 oz. 0 and not return the SDS-PDP. These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1. Does anyone know any online retailers that are selling Full Size, 5", 2. Reached out to Walther to get confirmation on how to identify PDP’s with the 2. Therefore depending on when you purchased your F-Series you either have a PDP 1. Back orders, if out of stock, will be filled in the order that they are received, Available exclusively to the North American Market. 0 RMR Optic Plate by ZR Tactical Solutions These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic These fit: PDP 2. Feb 8, 2022 · Walther Firearms. Some of the plate manufacturers are calling it PDP 2. Our plate is hard anodized and fit Aimpoint ACROP1 or P2. So the new match 5 polymer is the pdp plate 2. These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP ( Gen 2. Our plate is hard anodized and fit the Trijicon RMR, SRO, Holosun 507C and 508T. By using Kydex we are able to keep a thin of a profile as possible ensuring concealment under all kinds of clothing. 0 (Serial Numbers Start with: FDL9203, FDM0001, FDN3124; These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP (Gen 2. The slide is also optic ready and has windage Feb 13, 2019 · The FDM and FDN serial numbers SHOULD have the new cut. If you do decide you like something that isn’t direct mount, I wouldn’t worry about it. ONLY FITS PDP New Style Optic Cut 2. Action: Striker Fire Serrated Black Steel with Optic Cut; No revision to the gun other than the optic cut. 50. 0 optic plate still doesn't lock on the s With a full-size steel frame, the PDP Match finds its balance between endurance and ergonomics; loaded chamber indicator; aluminum magwell and base pads bring efficiency to magazine changes and Tenifer coated optic cut slide with strategic slide cuts. Even the Gen 1 PDP optic cut was solid. FREE STOP BOX WITH PURCHASE OF A NEW WALTHER WMP, PD380, OR P22 Optic Plate Request Form; PDP Steel Frame. Round count 500ish. Upgrade your shooting game with the Walther PDP Optic Plate. Edit: I should have stated the above and how it pertains to IWB CCWCome fall/winter I would/will be easily able to carry the 5" OWB since I wear a lot of Sep 25, 2024 · The first thing you have to know is that from 2022 onward, Walther created the PDP 2. 723364227097. CS mentioned different PDP variants have different serial number blocks so they were hesitant to give an answer of anything above F×××××× will be the new cut. Walther PDP Compact/ Full Size 4" Tuckable IWB KYDEX Holster (Optic Cut) with adjustable retention and cant is extremely lightweight and durable and it is the perfect holster for every day concealed carry. Waiting on my PDP to get shipped from FF. 0 OPTIC CUT FACTORY SLIDE at the best online prices at eBay! Free shipping for many products! Feb 6, 2023 · Off of Walther’s website: “PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124)” Funny how I had both frame sizes in 4" and never noticed there was an overall length difference between the two. Slides have the OEM optic cut and are compatible with the OEM optic adaptor plates. Slide is designed to accept Glock style iron sights. Our plate is hard anodized 2024 High strength aluminum. The slide is also optic ready and has windage Jan 1, 2017 · Optic compatible with various red dot sights, from RMRs to SROs. 0" or "2. They offer a service where they convert the 1. Walther PDP Full Size 9mm The Walther 9mm Full Size Pistol with polymer frame & grips; 4” barrel; optic-ready, front-serrated steel slide; Picatinny accessory rail; 3-dot sights; Performance Duty trigger; 3-auto safeties; black finish; (2) 18-round magazines; 7. Walther says the slides will be available by the end of the year for $436. In the photo, you can see that the optics cut extends behind the last serration on the slide. 0(Serial Numbers Start with: FDL9203, FDM0001, FDN3124; ONLY Torque screws to 12. NEW: EuroOptic Branded Holosun 509T style optic plate for the PDP 2. Includes plate and 2 stainless, Torx Plus screws. It’s fairly affordable -I chose to have them take the slide apart for me, and cerakote the cut black, and all in all, it only cost $83. The RIA "Big Rock" was close but no cigar (optic cut). Walther PDP V2. Lead Times: 4 Weeks or… Dec 12, 2024 · Find many great new & used options and get the best deals for WALTHER PDP 4" 1. Jun 5, 2022 · Walther Firearms. The internet complained and they rolled out the 2. If you are looking to put an MPS on your Walther PDP, you will need to make sure you have the gen 2 slide. 0 to Holosun 407K / 507K Adapter Plate by CHPWS Oct 11, 2020 · So after Walther denied that there was no potential issue with their optics cut , their new PDP slides now has stabilization grooves in their optic cut. Handcrafted in the USA from premium full-grain American leather, this holster delivers timeless durability with a sleek, functional design that improves with age. 0 series optic cut. It mounts directly onto the PDP using the compatible plate for the ACRO system. 10" Frame Material Polymer; Hand Right; Sight Style Contrast; Slide Finish Black; Slide Material Steel Nov 26, 2022 · However, what makes me hesitate making an online purchase is that I don't want to receive a 1. 22K subscribers in the Walther community. 99" Model PDP Capacity 15+1 Action Striker Fire Frame Finish Gray Frame Material Polymer Hand Right Sight Style Contrast Slide Finish Black Slide Material Steel Slide Description Serrated Black Steel with Optic Cut Grips Performance Duty Textured Black Polymer Sight Configuration 3-Dot Walther Arms 2858444 PDP Compact Optic Ready 9mm Luger Caliber with 4 Barrel, 15+1 Capacity, Tan Finish Picatinny Rail Frame, Serrated/Optic Cut Black Steel Slide & Performance Duty Textured Black Polymer Grip Oct 7, 2023 · pdp optic cut vi or v2 Jump to Latest 1. 0 style? Not flat but the cut outs. These fit: PDP New Style Optic Cut (Gen 2) Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP ( Gen 2. Fits Walther CCP, PPS, PPS M2 9 & 40; Walther 99, PPQ, S&W 99; Walther PPK, PPKS (380 only); *Walther PDP new style with Glock style rear only, does not fit older PDP’s with “T” slot style rear sight and **Walther CCP M2 new style only with + sign laser engraved on the side of the slide under the extractor, does not fit older CCP-PPS with Oct 28, 2023 · The 2. 0 ). UPC. This guide applies to the following models: PDP COMPACT PDP FULL SIZE 4" PDP FULL SIZE 4. Item Condition New; UPC Jan 19, 2025 · This is the only base gun that ticks all my boxes; 10mm, 6" barrel, "2011" style, optic ready. Models. The slide is also optic ready and has windage Jan 9, 2024 · The Version 1 PDP optic cut doesn't feature recoil lug to hold the plate to the slide before installing the screws. Vortex Venom: Both models from Vortex Optics can be directly mounted to the PDP with the use of a mounting plate designed for the PDP's optic cut. There's a slam dunk right there. 0 is not just recoil lugs. This milling upgrade offers to lengthen the PDP 1. PDP now comes with optic cut with stabilization grooves Jan 22, 2024 · Compatible Models - The GRITR optic plate is created for Walther PDP firearms with the 2. Any recommendations? Reply reply If you want to upgrade your Walther PDP 1. Action: Striker Fire; Caliber: 9mm Luger; Barrel Length: 4 Securely mount your optic to your Walther PDP 2. 0 or PDP 2. 0 to Trijicon RMR / SRO / HOLOSUN 407C / 507C / 508C / 508T - C&H Precision Weapons But they have 2 different plates depending on "1. 0 slide cut into essentially a 2. Acro 2 dot does seem crisper, but that’s only noticed at the range shooting. The slide is also optic ready and has windage The Walther Arms PDP F-Series pistol features reduced trigger reach, grip circumference & slide force. CNC Machined aluminum Optic interface plate for the Walther PDP ( (Gen 2. Generally holster makers make the holster assuming the light is pushed as far back as it'll go, i. Includes two magazines. 0 with 1. Does it come with the screws? Or do we use the screws supplied by the optic? Ty Jan 19, 2022 · The new optics cut is dimensionally the same as the first-generation, however instead of having a flat floor beneath the mounting plate and relying solely on interference fit and two screws to hold the optics plate and optic in places, the new design introduces recessed "recoil bossses" into which protrusions from new design optics plates will sit. Each slide comes equipped with a matching optic cut cover. The slide is also optic ready and has windage The brand-new ‘PDT' Performance Duty Trigger is Walther's new and improved trigger system which has been achieved through shortening the length of travel and increasing the tactile definition of the trigger break. Over 4K rounds through this set up. May or June. Action: Striker Fire; Caliber: 9mm Luger Serrated Black Steel with Optic Cut; Introducing the Independence Leather Slimfit Holster, designed for shooters who demand comfort, adaptability, and American-made quality. Style. PDP now comes with optic cut with stabilization grooves Walther PDP V1 Optic Plate for Trijicon RMR / SRO by Forward Controls Design. Just didn’t want to loosen it till I get the actual plate in. Figured some of you might also appreciate confirmation from Walther. The grip circumference is designed to fit the contour of a woman's hand. Aimpoint ACRO: The ACRO series is renowned for its enclosed emitter design, providing extra protection for the lens. I have read that the colored frames are all 2. Rail, Performance Duty Grip, Flared Magwell On my Gen 1 PDP have a 509T. That said, you may be surprised to hear that light-bearing holsters don't have the positive "click" that plain holsters have. Best I've ever seen the Pro model was $750 shipped. Walther Arms 2877490 PDP Pro SD 9mm Luger 18+1 5. 0 RMR Optic Plate by ZR Tactical Solutions These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if Jun 23, 2022 · I want to help someone buy the appropriate gear to mount a Holosun 508T on a Compact 4" PDP. I read the 2. You will want to find gun friends and try their setups to see what you like. Thinking about picking up the SCS. up against the trigger guard. The second gen cut is a little bit longer than the first gen and extends toward the rear sight a bit more. 0 optic adapter plates or directly mount the Holosun SCS-PDP or our own C&H Direct Mount Optic for Walther PDP 2. 0. 0" slide cut. 0 optic cut PDP and I have no way of confirming which generation I am ordering. The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane - Marcus Aurelius 121-180AD. 0 . The PDP comes optic ready. Walther PDP Holosun 509T Gen 2 Optic Plate Adapter 5136208 For Sale. Mar 15, 2021 · FREE STOP BOX WITH PURCHASE OF A NEW WALTHER WMP, PD380, OR P22 Optic Plate Request Form; PDP Steel Frame. FYI the difference between 1. Shop now for the best deals! Jun 5, 2022 · Based on the photo in post #5, the Holosun will need the second gen optics cut. 0 Plate | Type III Anodize Finsih Fits Holosun 507k, 407k, Shield RMS (We provide 6-32 Screw, but EPS & 507K may require different lengths depending on generation! ) Includes stainless Torxhardware ONLY FITS PDP New Style Optic Cut 2. 0 RMR Optic Plate by ZR Tactical Solutions. Get improved accuracy and precision with easy installation. 0 and Walther's plate ordering website calls it PDP Gen 2. 0s? Not a frame mounted safety, no optics cut, low ish capacity Plusses: PDP texture grip/slide is a massive win, easy to rack and low recoil makes it sound like they want to challenge the S&W EZ line. These fit: PDP 2. PDP and PDP F-Series: New Style Optic Cut (Serial Numbers Beginning with: FDL9203, FDM0001, FDN3124 and later) Aug 24, 2022 · “PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124)” The object of life is not to be on the side of the majority, but to escape finding oneself in the ranks of the insane - Marcus Aurelius 121-180AD. Includes three 18rd magazines. 5 stack mags. Walther PDP V2 Optic Plate for Trijicon RMR / SRO by Forward Controls Design. I'm not a very big guy and carrying a full sized 5" w/ light and green dot was too much for my stature. 0 cut. My PDP Pro Compact that I got this week has the revised cut. Walther's new PDP F-Series Pro E is where performance meets precision. It slide force is an unprecedented 20% reduced and uses a two-piece striker. They also said people could call them with the serial number of a PDP and they would verify if it had the new cut or not. SPECIFICATIONS. Edit: including additional context I have the same set-up as OP, but decided to also buy the PDP SD Pro Compact for CCW. 0 but I can't confirm this and I prefer all black. The Walther plate is free but could take a while before you get it. 0 optic cut has been the standard since late 1Q2022, so you can buy a new PDP with confidence knowing that it will be a 2. 0. 0 optic cut. Fwiw, I did still end up just upgrading to the PDP pro though. Me personally, I just want them to give the PDP treatment to a PPS 3. the trigger kit, magwell, and threaded barrel separately would be the price of a new pistol. Leupold style optic plate for the PDP 2. This adjustment naturally give the shooter maximum control and faster follow up shots. Walther said they had tested it to like 50,000 rounds and has no issues. 5" PDP COMPA I want a full size PDP in 4 or 4. Our plate is hard anodized 2024 These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP (Gen 2. Walther PDP Full Size 9mm The Walther 9mm Full Size Pistol with polymer frame; textured polymer grips; 4. All things equal, I'd rather have more engagement on the plate, but if the old cut gets the job done, it's fine. You will not find a stronger, more secure and better fitting plate. 5 in-lb MAX; Upgrade your shooting game with the Walther PDP Optic Plate. You must request an optic plate from Walther Arms’ website for your gun, so you need to know what red dot optic you want to mount on it. It's also cut so an ACRO can go on it. The mid-sweat guard will keep your Walther PDP Compact 4" clear of clothing and sweat-free. Each holster is cut for optics and maintains an exceptionally comfortable fit and finish. weight. 0 New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP ( Gen 2. Philippines or Turkey??? The frame is made by Cosaint in NC and warranty work goes to FL. Brand Walther Arms Category Pistols Series Compact Optic Ready Caliber 9mm Luger Barrel Length Range 4" to 4. Walther also lists the starting serial numbers for the 2. **Our plate is not compatible with the Trijicon RCR. 0 and 2. I’ve been a huge fan of this optic since it came out. Invest in optics that work for your eyes/style, and worry less about the irons as they’re easily changed for far less money than red dots. Performance duty texture, super terrain serrations, ergonomics and red dot ready round out the features of the Walther PDP F-Series pistol. The slide is also optic ready and has windage Currently I own a PDP SD pro compact and a Q4 sf which I both enjoy, I wish the Q4 had a 509t on the slide but I kind of like having it as it is with stock iron sights. 407 uses the RMR cut so the RMR plate is what you need. Dec 9, 2024 · ONLY FITS PDP New Style Optic Cut 2. 2K views 1 reply 2 participants last post by Rebel928 Oct 10, 2023 Introducing the Independence Leather Slimfit Holster, designed for shooters who demand comfort, adaptability, and American-made quality. I know the serial numbers to look for, but no one else really has them near me. PPS M2. 10" Threaded Barrel, Black Optic Cut/Serrated Slide, OD Green Polymer Frame with Pic. I have a mill (2) and machine tools in Denver but, won't be back till' the weather breaks. WLT-2858371. The slide is optic ready and has W&E adjustable sights. I was going to tell them to buy a C&H plate: Walther DEFENSE PDP 1. Designed for those who demand the best, this firearm features a polymer flat-faced trigger, and aluminum magwell for swift reloads, Performance duty texture ensures a secure Walther PDP F-Series 4" Red Dot Optic Cut OWB Holster This comfortable and discreet holster is made out of durable Kydex and designed specifically for the Walther PDP F-Series 4" Red Dot Optic Cut. No issues Recently grabbed the PDP pro and put an acro 2 on it. Keeping in mind cost and time would you rather send the Q4 to CHPWS for an optic cut (~$300-$400 and a month) or buy a PDP sf compact (a month of overtime). Some background: -Bought my first gun back in 2022 spring - 4'5 full size PDP woth secind gen optics cut; -I enjoy the occasional visit to the range, preferably one with metal targets; -I would like to try out either IPSC or IDPA competetive shooting; -I need to wear glasses becose of minor astigmatism; -I'm from EU and most of the RDS's cost The Walther Arms PDP F-Series pistol features reduced trigger reach, grip circumference & slide force. The combination of a softer core and a harder surface layer guarantees extreme toughness and wear resistance. The contours of this plate blend with the slide to make it part of the gun instead of an afterthought. Feb 21, 2025 · CNC Machined aluminum Optic interface plate for the Walther PDP ( (Gen 2. These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP (Gen 2. Aug 19, 2022 · “PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124)” So, an FDHxxxx would be a Gen 1. Each holster is ambidextrous, allowing for right or left-handed shooters. The incredible result is a highly distinct, recognizable feel for repeatable accuracy that will maximize your confidence. . Shop now for the best deals! CNC Machined aluminum Optic interface plate for the Walther PDP ( (Gen 2. 0 cut is slightly longer to accept the acro - since that’s what I plan on running, this makes life a little easier. 5 inches, and I want to get the holosun scs optic for it - which only works on the 2. You are here: Home Page PDP TRIJICON PLATE GEN 2. This is the longer footprint model NOT 26 votes, 24 comments. No the pdp f optic cut is a 1. e. Machined from 2024. I’m very happy with (at least initially) how the work turned I out. One of the best new handguns on display at SHOT Show 2025 is the Walther PDP F-Series Pro E. 0 Vortex Defender XL Optic Plate by ZR Tactical Solutions. Reply reply 507, SCS or P2? Looking to pick up an optic for my new compact, not for CC upvotes I have a PDP Pro Full-size, Ameriglo suppressor height sights, and an SRO for reference. If you don’t want to care about plates, holosun makes an SCS that will mount directly to the slide of the The optic cut is the only difference I'm aware of, and it sounds like the change was more to appease internet hysteria than to address an actual performance issue. 0 cut and add recoil lug recesses for you to use the more secure PDP 2. discussions around Walther firearms including but not limited to the PPK, PPK/S, PP… Jan 22, 2022 · The FDM and FDN serial numbers SHOULD have the new cut. You can easily identify which slide cut you have by referencing the picture below. 0(Serial Numbers Start with: FDL9203, FDM0001,… If you've purchased a new pistol from about mid-2022 to now, you should have a 2. 0 optics cut. Whether you carry a The 1. 0 optic cut was just a flat cut, no weird bosses to help stop the plate from any potential movement. 0 to Leupold Delta Point Pro and EOTech EFLX Red Dot Optic Plate Feb 6, 2024 · The factory optics mounting cut on the Walther PDP Match pistols allows you to mount a red dot optic and co-witness the iron sights, depending on your chosen optic height. 723364227127. 6al-4v Titanium offers numerous benefits over steel or aluminum optic plates w The Walther Arms PDP F-Series pistol features reduced trigger reach, grip circumference & slide force. Whether you carry a That leaves the DP trigger, which when you buy both the PDP and DPT on sale you can get for about $650, and you'd get the full trigger with the adjustable sear housing. Walther PDP 2. The best way to mount the Holosun 509T is to use the CH Precision 509T plate as shown below: Style. I'd like to get some advice on buying my first RDS. Sep 25, 2024 · If you have a Walther PDP or PDP Compact with an optics cut slide then this guide is going to tell you the best Holosun Red & Green dot sights you can put on your pistol and also how to mount them, so keep reading. WLT-2858401. I found one locally but all the ones they had in stock had the Gen 1 cut. 0 which does have machining in the plate to help stop any potential movement and take potential pressure off the Walther Arms 2858428 PDP Compact Optic Ready 9mm Luger Caliber with 4 Barrel, 15+1 Capacity, Green Finish Picatinny Rail Frame, Serrated/Optic Cut Black Steel Slide & Performance Duty Textured Black Polymer Grip So the PDP doesn’t actually come with an optic plate. The slide force is 20% reduced and uses a two-piece striker. So what I would say is, if you are already thinking about all those mods too maybe it's better to upgrade before and not after like I did. Would like to have it ready when the gun arrives but I believe the SCS requires the 2. Walther did this to accommodate more red dot optics. This allows for the installation of most of the red dot optics available on the market. You are here: Home Page ZR Tactical Solutions Holo-K PDP 2. 0 optic plate cut. Brand Walther Arms; Series Compact Pro SD; Caliber 9mm Luger; Model PDP; Capacity 18+1; Action Striker Fire; Frame Finish Black; OAL 8. 0 SKU: | Trijicon style optic plate for the PDP 2. 0 optic cut… FDL9203, FDM0001, FDN3124. I just got my PDP slide back from CHPWS. Option 1 is to get a optic 1. PDP. FITS: Holosun HE509 optics. 0 to 2. Our tuckable holsters are comfortable for daily use and very easy to hide whether your shirt is tucked in or out. 0). Still have the full size with a Dynamic Performance Trigger installed. The Walther Arms PDP F-Series pistol features reduced trigger reach, grip circumference & slide force. New Account; LISTINGS Critter Getter Giveaway - Draws in 48hrs - CLICK HERE! For Sale: Walther PDP Optic Cut FIREARMS DEALS! Get the best deals on guns, ammo Walther PDP Pro SD Compact 4" Red Dot Optic Cut OWB Holster This comfortable and discreet holster is made out of durable Kydex and designed specifically for the Walther PDP Pro SD Compact 4" Red Dot Optic Cut. So you can order an aftermarket one or go through Walther. The Pro SD comes with a flared magwell & a threaded barrel. $72. We provide 2 sets of 4-40 screws to mount the optic. The machining quality is very good, but the Version 2. Your LGS is also able to order them from your distributor for you. 0 plate and get a 507K or Option 2 is to get my slide milled to 2. It will also fit any other RMR footprint style optics, but the posts are optimized for the Trijcon models. Shop now for the best deals! Walther PDP V2. 5” overall length; and 26. 5” barrel; optic-ready, front-serrated steel slide; Picatinny accessory rail; low profile 3-dot sights; Performance Duty trigger; 3-auto safeties; black finish; (2) 18-round magazines; 8” overall length; and 40 oz. Apr 7, 2024 · I have had 3 PDPs, two with the new cut, one with the old. As of right now, I prefer the 509T on a hand gun. Apr 3, 2022 · These fit: PDP New Style Optic Cut (Serial Numbers Start with: FDL9203, FDM0001, FDN3124 ONLY! Restocking Fee Applies if you order for your GEN 1 CNC Machined aluminum Optic interface plate for the Walther PDP (Gen 2). 0)). All this time, they say there is no problem, so they "solve" it anyway due to consumer demand ? What does that mean for us 2021 owners? View attachment 102665 Gen 1 [2021] on the left. lbtrg tgnkxlw qwjic lwlrypvk hndfj ghxmnk efgg qjwei rpyokqtk boah jkkvyhr dqrgwd nfiouo giqbit rcsza