Knights Armament 7.62 CRS-1 Suppressor Black - 121997-BLK
Only 1 left in stock
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: 31535 Category: Suppressors
Discover the pinnacle of tactical sound suppression with the Knights Armament 7.62 CRS-1 Suppressor in Black. Engineered for elite shooters and professionals, this .30 caliber suppressor delivers exceptional noise reduction and flash mitigation, allowing you to maintain stealth and focus during critical operations. Whether you’re enhancing your AR-10, bolt-action rifle, or precision setup, the CRS-1 transforms your shooting experience by minimizing auditory disturbance and recoil, so you can stay in the fight longer.
Key Features
- Quick Detach (QD) Mount Style: Effortlessly attach and detach from compatible muzzle devices, ensuring rapid deployment without tools for seamless transitions in dynamic environments.
- Multi-Chamber Vented Baffle System: Advanced design optimizes gas flow to significantly reduce back pressure, minimizing gas to the face and improving reliability on semi-auto platforms.
- Inconel Construction: Both baffles and body are crafted from high-strength Inconel alloy, offering superior resistance to extreme heat and corrosion for unmatched durability in harsh conditions.
- Black Oxide Finish: Provides a low-reflectivity, corrosion-resistant coating that blends into tactical setups while enhancing longevity.
Specifications
- Caliber (Maximum): .30 (7.62/.308) – Versatile for a range of cartridges including 7.62×51, 7.62×39, and smaller calibers like 5.56.
- Length: 7 inches – Compact profile maintains maneuverability without sacrificing performance.
- Weight: 18 oz – Lightweight design balances your rifle for extended carry and improved accuracy.
- Dimensions (Width x Height): 1.55 x 1.55 inches – Slim form factor fits under most handguards and rail systems.
- User-Serviceable: No – Built for low-maintenance, rugged use with no need for disassembly.
Why Choose the Knights Armament 7.62 CRS-1 Suppressor?
In a world of subpar accessories, the CRS-1 stands out by addressing common shooter frustrations like excessive gas blowback and unreliable mounts. Its vented multi-chamber system promotes smoother cycling and reduced fouling, while the QD interface locks securely to prevent loosening under fire. Ideal for hunters seeking quieter shots in the field or tactical operators needing flash-free performance at night, this suppressor boosts situational awareness and shooter comfort. Backed by Knights Armament’s reputation for military-grade innovation, it’s a investment in precision and protection that outperforms competitors in endurance and suppression efficiency.
Elevate your rifle’s capabilities today with the Knights Armament 7.62 CRS-1 Suppressor. Add it to your collection and experience the difference in every round fired.
Frequently Asked Questions
What calibers can the 7.62 CRS-1 Suppressor handle?
The CRS-1 is rated for .30 caliber firearms, making it compatible with 7.62×51 NATO, .308 Winchester, 7.62×39, and even smaller rounds like 5.56 NATO for versatile use across multiple platforms.
Is the CRS-1 suppressor full-auto rated?
Yes, Knights Armament designs the CRS-1 for demanding applications, including full-auto fire, ensuring it withstands high-volume shooting without compromise.
How does the QD mount work with my rifle?
The Quick Detach system uses a locking collar for a secure, repeatable attachment to KAC-compatible muzzle devices, allowing for fast installation and removal while maintaining zero.
| Weight | 18 oz |
|---|---|
| Dimensions | 7 × 1.55 × 1.55 in |
| Mount Style | QD |
| Length (inches) | 7 |
| Caliber (Maximum) | .30 (7.62/.308) |
| Baffle Material | Inconel |
| Baffle Style | Multi‑chamber vented system |
| Body Material | Inconel |
| User-Serviceable | No |
| Finish | Black Oxide |
| MPN | 121997-BLK |
| UPC | 819064019046 |
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...
|



