Now available for the UPRISER Chassis, is the Straight version for the Stock Grip Adapter. - Please note this option is chosen in the dropdown menu along with *Color and *Collapsible Buttstock and Buffer Tube for AR-15 by Rim/Edge*
Upriser Chassis for Ruger PC Carbine Installation Instructions
At a Glance:
- Trigger finger accessible magazine release
- Compatible with virtually all AR Grips, buffer tubes and butt stocks
- Comes with optional flared magwell
- Includes renowned TANDEMKROSS hiveGrip for the AR-15 platform
Rise above the competition with the TANDEMKROSS UPRISER Chassis for the Ruger® PC Carbine®!
The lightweight reinforced polymer UPRISER chassis reduces the overall weight and provides a better balance and feel.
Designed with cross-compatibility in mind, the UPRISER Chassis will accommodate virtually all AR grips (with or without 'beavertail') and mil-spec buffer tubes/stocks!
The UPRISER package includes:
- Extended magazine release
- Flared magwell (hardware included)
- "hiveGrip" for AR-15 (hardware included)
- Stock and grip adapter
- Dowel pin
Trigger finger extended mag release:
Don’t skip a beat! The unique trigger finger actuated magazine release allows for quick and intuitive magazine release. Simply lift your finger off the trigger and press the release for fast and reliable mag changes.
Flared magwell:
The wide, flared and beveled design guides the magazine directly into your magwell, for faster and consistent mag changes.
Defined, ergonomic finger grooves improve hand placement for more accurate, controlled shooting, while the slim, low-profile design ensures an ideal fit for any user. Made from patented impact- and vibration-dampening material, these "hiveGrips" are an ideal upgrade for any AR-15. Designed with a hollow grip, the "hiveGrip" for AR-15 includes a removable O-ring sealed bottom to provide water resistant storage space for tools, extra rounds, or survival items.
*Stock and Grip adapter available in two options:
(Option #1)Angled Stock and grip adapter: The Stock and Grip Adapter is angled at a 12 degree pitch. This is a perfect choice for red dot optics as the design allows for use of a wider assortment of sights. When shouldering the rifle, the sight picture is closer to the bore axis which allows use of an RMR, scope, or red dot without a riser. This creates a comfortable and ergonomic cheek weld, which will result in quick and natural sight acquisition.
(Option #2) Straight Stock and grip adapter: The Stock and Grip Adapter match the more traditional aesthetics of the AR style Buttstock
Don't be left behind! Elevate your performance with the new TANDEMKROSS “UPRISER” Chassis!
This kit is available in Black or Red-
RED option will include:
- RED - Extended Mag release
- RED - Stock and Grip Adaptor
Supported Models- This stock will accommodate 9mm and 40 caliber Ruger® PC Carbine®. Also compatible with Ruger® and Midwest Industries Forend
*Please note* for the Ruger Chassis models, installation will require a second takedown screw. The "Twister" Takedown Knob for Ruger® 10/22® is an excellent replacement for this front takedown screw!
*Know your State and Federal laws before installing on your receiver*
Canadian customers please note: The UPRISER Chassis for the Ruger® PC Carbine™ is considered a frame and the Canadian government requires us to have on file a copy of your Possession and Acquisition License before we can export this part. You will upload a clear, legible scanned image or photo from your phone of your PAL to you EasyExport account.
Don't forget, all TANDEMKROSS products are Made in the USA and come with a LIFETIME guarantee!
IMPORTANT: This product complies with ATF RULING 2009-2
Any person who installs “drop in” replacement parts in or on existing, fully assembled firearms does not manufacture a firearm and does not need to be licensed as a manufacturer under the Gun Control Act. A “drop in” replacement part is one that can be installed in or on an existing, fully assembled firearm without drilling, cutting, or machining. A replacement part, whether factory original or otherwise, has the same design, function, substantially the same dimensions, and does not otherwise affect the manner in which the weapon expels a projectile by the action of an explosive. Any person who is licensed as a dealer, which includes a gunsmith, and who installs “drop in” replacement parts in or on existing, fully assembled firearms as described in this ruling does not need to be licensed as a manufacturer under the Gun Control Act. Any person who is engaged in the business of installing “drop in” replacement parts in or on existing, fully assembled firearms as described in this ruling must be licensed as a dealer, which includes a gunsmith, under the Gun Control Act.
This item is NOT considered an “80% Lower” and Complies with Rule 2021 R-05F
Grandfathers in existing classifications of frames or receivers (to include split frames or receivers) and allows them to be marked in accordance with the existing requirements.
The full definition can be found here: https://www.atf.gov/rules-and-regulations/definition-frame-or-receiver/summaryThis product is NOT a serialized part.
WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
75 Reviews
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PCC Chassis
I love it. Made it so much more comfortable to shoot.
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Ruger PC Charger
This setup is badass. great bang for you buck. The only thing you need to know for a PC Charger is the front and rear take down screws have to be switched from front to back when installing this chassis.
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Upriser
Fit and finsh of the Upriser Chassis was excellent. Installing the the parts was made easy by watching the video. Very Please with the Upriser upgrade to my ruger PC carbine .
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Customer Service and Chassis
Firstly, I have to commend customer service for being understanding of my situation and helping me resolve my issue in a timely manner. I look forward to any future products you guys manufacture because you definitely have my interest and enthusiasm. Maybe one day you'll create a cool part for Canik pistols(fingers crossed). Now for the chassis, I haven't fired my rifle with the chassis just yet. Sadly, I have not had the time to partake in any gun range activities due to work and college work. When I do have the time, hopefully I can come back to my original review to provide an update. As it stands, I am satisfied with this chassis. This chassis, along with the buttstock add-on(which is also satisfactory), was much more affordable compared to other competitors chasseez. The added features like the extended mag release and wide magazine weld saved me quite a bit of money. It took me a while to decide, along with waiting for it to be back in stock, but the aforementioned features and price I stated above, helped me to decide that this was the best option for my needs. The only issue I have is the fact that I must remove the pistol grip in order to clean my rifle. I am giving 5 stars for both the chassis and customer Service. Thank you guys!
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Upriser chassis review
I love my straight upriser chassis. Was so easy to install & makes the PC Carbine look and feel amazing. I highly recommend it.
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Upriser Chassis for Ruger PC Carbine
I wasn't too sure if I would like this chassis but now that I have it installed and have used it in two matches I really like the way it feels and handles. It is an outstanding upgrade to have and makes and already great carbine handle like a pistol.
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upriser stock
vast improvement over original stock
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Up riser chassis
The product fits well but needs the brass thread inserts like the OEM stock/chassis and should include the buffer tube at least for the price at the introduction
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Makes the PC Carbine Perfect
Full disclosure: I am a sponsored competitor for Tandemkross, but that does not have any bearing on my review of the Upriser... When I installed this the first time it was like night any day. The stock chassis is nice for what it is (non-pistol grip version), but I was having a difficult time getting down on the stock to actually use the iron sights. The Upriser solved that. The irons are right where I need them to be with the angled stock. Plus, the butt stock actually has full contact with my shoulder. My shouldering of the Ruger butstock, only a small portion of the butt pad was actually in contact with my body. Not so with the Upriser. The butt pad is fully in contact with my shoulder at all times. If I could submit pictures with this review you would see the difference. I also have no issues using a dot. My preferred dot is the Holosun 510c and works great with the Upriser. For me I do have to lift my head a little off the stock so I don't have the same "cheek weld" as I do with the irons. But since I shoot fast-paced sports like Steel Challenge, a firm cheek weld is not something I worry about. For me it's "put dot on target and pull trigger (TK Victory Trigger for PC Carbine)". I will tell you that every person I have let hold the Upriser have been made a believer. Every one of them have remarked how the angled stock was perfectly ergonomic and felt great.