FRS-15 Gen III Rifle Length Stock Kit (OD Green) Cerakote Custom


For a limited time only we are offering the FRS-15 Gen 3 Stock Kit with a Custom, Olive Drab Green, Cerakote Finish.  The Cerakote process uses a unique formula for a ceramic coating that enhances a number of physical performance properties including abrasion, wear, corrosion, and chemical resistance in addition to impact strength and hardness.  The ceramic Cerakote finish over durable glass-filled nylon stock eliminates the cloudy glassing effect common in injection molded OD Green. The process leaves remarkable state-of-the-art finish for OD Green Custom builds.  These are strictly 'as is' custom kits, additional LOP spacers and other acessories for the FRS-15 are not avalable with the cerakote finish.  These stocks kits are website exclusives not avalable in stores.  GET THEM WHILE SUPPLIES LAST!

SKU #4300RG-C


Printable Installation Instructions

U.S. PATENT NUMBER 9,823,042

Availability: In stock

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Regular Price $141.59 Special Price $99.99




Thordsen Customs is proud to announce the release of the Featureless Rifle Stock-15 Generation III (FRS-15 Gen III). Two years of research, manufacturing and testing, went into this new design for the FRS-15. Building on what we learned from the FRS-15 Gen I and II and speaking to thousands our satisfied customers, we have been able to bring you a new rifle stock for your AR platform that is unlike anything currently available. It offers distinct form and function by providing new options for shooters while its predecessor, the current FRS-15 Gen II, remains a relevant and economical option for featureless conversion.

Legislation towards the AR platform in states like California and New York, have made Featureless Rifles extremely popular in these states. Additionally, the more traditional rifle stock look-and-feel of the FRS-15 Gen III is appealing to gun owners nationwide. Just like with our earlier model of the FRS-15 Rifle Stock, the FRS-15 Gen III is designed to help law abiding citizens keep their firearms in compliance with current and upcoming laws. Replacing the pistol grip and adjustable stock with the FRS-15 Gen III rifle stock, effectively eliminates these two prohibited characteristics while preserving all of the weapons functionality.

Shooters now have options of a shorter or longer length of pull. 1/2 inch spacers can be removed or added to increase the length of the stock by 0 to 2.5 inches. Two spacers are included in each kit and additional spacer can be purchased to add another 1.5" to the base model. Shooters of all types will appreciate the feel of a traditional hunting rifle style curved grasp and solid shouldering. Our new sling loops are designed to be inserted between any two length of pull spacers and come in standard loop and mash hook styles. The FRS-15 Gen III can be easily and economically configured and customized to suit your needs.



Standard or Enhanced options refer to features on the Buffer Tube Cover that comes with your kit and are just like those offered on all models of the FRS-15 Stock. Our FRS-15 kits are not only designed to be the most ergonomic solution for featureless conversions, they are also tailored to meet our customers individual needs and budgets. Many people use their rifles in different ways and our Standard and Enhanced kits allow for maximum utility. The difference in the two kits is the Buffer Tube Cover. The Standard FRS-15 kits are tailored more for those who primarily shoot from a bench or prefer a two point sling. The Enhanced FRS-15 kits include two additional quick detach sling hard points. The advantage is that if a user prefers a single point sling, the center of gravity is in line with the barrel which keeps the muzzle pointed straight down.





  • Fits any standard carbine length recoil system
  • Fits any brand of forged AR-15 receiver
  • Fits many brands of billet AR-15 receivers
  • Fits many DPMS profile AR-10 variant lowers (with optional adapter)
  • Fits Black Rain Ordinance and Windham Weaponry AR-10 variant lowers (with optional adapter)
  • Fits Smith & Wesson M&P 15/22 (with optional adapter)


  • Bottom or side mount sling loops (Optional)
  • Thickened Grip
  • Interchangeable side panels
  • Aggressively checkered grip
  • Grip storage compartment
  • Rubber buttpad
  • Many upgrades & accessories available


  • Material: 33% Glass filled Nylon
  • Hard points: Black oxide coated steel
  • Overall length 12.5"
  • Length of pull: XX.X"
  • Stock weight: 20.5 oz.
  • Buffer tube cover weight: 3.3 oz.
  • Buffer tube cover length: 7.5"


  • FRS-15 Rifle Stock
  • Enhanced Buffer Tube Cover
  • Ergonomic Endplate
  • Mounting hardware
  • Mounting Wedge
  • Full color installation instructions


It is the responsibility of firearms dealers and private firearms owners to know and fully understand all federal, state, and local firearms laws in their area. Thordsen Customs LLC will not be held liable for any misuse of its products and will assume that our product(s) comply with state and local laws unless otherwise notified by authorities.

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