Knights Armament 7.62 CRS-1 Suppressor Fde - 121997-FDE
$1,353.75
View restrictions
THIS IS A CLASS 3 NFA ITEM. ALL NFA RULES APPLY, this product requires a Federal Firearms License (FFL) and a Special Occupational Tax Stamp (SOT) to be on file. It is the purchaser’s responsibility locate a properly licensed FFL. If we do not have a copy of the clearly signed and dated FFL/SOT, you may email them to [email protected] or use our FFL submission form. Read more about our process here.
NFA Item Cancellation & Refund Policy
Cancellations with Full refunds of NFA items are only possible if a cancellation request is received & acknowledged before the transfer process has been initiated. Initiation of the transfer process is defined as: The ATF form 3 which allows us to transfer the NFA item to your selected dealer has been submitted to the ATF. The ATF form 3 submission typically occurs 1-3 days after your order is placed, depending on order volume and processing times. Cancellations and partial refunds are still possible up until the point the NFA item is shipped to your FFL dealer. Below are the fees that will apply at the various stages of NFA item order processing:
- Order Received – Form 3 not yet submitted: Full refund
- Form 3 Submitted – Not yet approved by ATF: 10% Processing Fee
- Form 3 Approved by ATF – Item not Shipped: 20% Processing Fee
- Form 3 Approved by ATF – Item shipped: No refund
- Form 4 Submitted – Disapproved/Returned without action: 35% Processing Fee + return shipping costs*
*NOTE: This may not always be possible and requires us to successfully recover the NFA item from your dealer with original packaging and in NEW condition. If we are unable to recover the NFA item in the condition stated above, no refund is possible.
This policy is only a guideline and subject to change depending on certain situations. There is significant time and effort involved by both AR15Discounts and your selected dealer to reacquire the item once the ATF form 3 has been submitted and approved.
SKU: 31536 Category: Suppressors
Elevate your tactical performance with the Knight’s Armament 7.62 CRS-1 Suppressor in Flat Dark Earth (FDE), a precision-engineered accessory designed for demanding shooters who prioritize sound reduction, flash suppression, and reliability on the battlefield or at the range. As part of KAC’s renowned Quick Detach Coupler (QDC) system, this 7.62 suppressor delivers exceptional suppression for .308/7.62x51mm rifles, ensuring you maintain hearing protection while enhancing accuracy and control.
Key Features
- Advanced Sound Suppression: Reduces muzzle blast to 149 dBA at 1 meter and 142 dBA at the shooter’s ear, significantly lowering noise levels for safer, more comfortable shooting sessions without compromising on power.
- Superior Flash Reduction: Minimizes first-round flash to just 2.3 mcd*s and subsequent rounds to 0.5 mcd*s, ideal for low-light operations where concealing your position is critical.
- Compact and Lightweight Design: Weighing only 14.8 oz and measuring 6.3 inches overall, it adds minimal length (5.6 inches to bare muzzle) to keep your rifle maneuverable and balanced.
- Quick Detach Compatibility: Seamlessly integrates with KAC’s QDC mounting system for fast, secure attachment and removal, allowing quick transitions in dynamic environments.
- Durable Construction: Built to withstand rigorous use on semi-automatic and select-fire platforms, ensuring long-term performance in harsh conditions.
Technical Specifications
- Caliber: Optimized for 7.62x51mm (.308 Winchester); compatible with .300 Blackout and smaller calibers like 5.56mm
- Overall Length: 6.3 inches (16 cm)
- Addition to Muzzle: 5.6 inches (14.3 cm)
- Weight: 14.8 oz (419.6 g)
- Sound Levels: 149 dBA (1m left), 142 dBA (at ear)
- Flash Signature: 2.3 mcd*s (1st round), 0.5 mcd*s (2nd round)
- Finish: Flat Dark Earth (FDE)
- Part Number: 121997-FDE
Why Choose the 7.62 CRS-1 Suppressor?
This suppressor addresses key shooter pain points like excessive noise, blinding muzzle flash, and added bulk that can hinder mobility. By drastically cutting down on harmful decibels and recoil impulse, it allows for faster follow-up shots and reduced shooter fatigue, making it perfect for precision shooting, home defense, or tactical applications. Its lightweight profile ensures your rifle handles like an extension of your arm, while the FDE finish blends seamlessly with modern AR platforms for a professional aesthetic. Whether you’re a competitive marksman or a professional operator, the CRS-1 enhances safety, stealth, and shooting enjoyment without false promises—it’s a battle-proven tool from a trusted name in firearms innovation.
Ready to experience the difference? Equip your 7.62 rifle with the Knight’s Armament CRS-1 Suppressor today and take your setup to the next level of performance and protection.
Frequently Asked Questions
What calibers can the 7.62 CRS-1 Suppressor handle?
It’s optimized for 7.62x51mm and .300 Blackout, but can safely handle smaller calibers like 5.56mm NATO. Always verify compatibility with your specific firearm.
Does it require a special mount?
Yes, it uses Knight’s Armament’s QDC system, which requires a compatible flash hider or muzzle device for secure, quick-detach mounting.
Is the CRS-1 suitable for full-auto or rapid fire?
Designed for durability on combat rifles, it performs reliably under sustained fire, though always follow safe shooting practices and NFA regulations.
| Weight | 20 oz |
|---|---|
| Dimensions | 7.9 × 1.55 × 1.55 in |
| MPN | 121997-FDE |
Compliance
NFA (National Firearms Act) compliance is crucial for legal ownership and transfer of regulated firearms and accessories like short-barreled rifles, suppressors, and certain types of ammunition, ensuring adherence to federal regulations to avoid legal penalties and ensure responsible firearm ownership.
Please select an FFL from the table below, if you do not see your desired FFL, click "Set Later" and you will be able to enter your FFL's information after checkout.
| Name | City | State | ZIP | Phone | |
|---|---|---|---|---|---|
|
Loading FFL contacts, please wait...
|



