For the American shooter who values proven Eastern Bloc engineering combined with modern manufacturing standards, the Arsenal SLR107-51 offers a compact, reliable platform in the popular 7.62x39mm caliber. This Krink-style rifle, imported from Bulgaria and built on a stamped receiver, is designed for those who need a maneuverable firearm that can handle a variety of roles, from range training to property defense. Whether you are a collector of AK-pattern rifles or a shooter seeking a dependable carbine, this model delivers consistent performance without unnecessary frills.
What This Product Is and Who It’s For
The Arsenal SLR107-51 is a semi-automatic rifle chambered in 7.62x39mm, featuring a 16-inch barrel and a folding stock. It is built on a stamped steel receiver, following the classic AK-47 pattern, but with improvements in fit and finish that distinguish it from many imports. This rifle is intended for target shooters who appreciate the AK platform’s reliability, for home defense scenarios where a shorter overall length aids in maneuverability, and for hunters who need a rugged carbine for medium game at moderate ranges. Collectors will also find value in this model due to its Bulgarian military-style lineage and the distinctive Krink-style muzzle brake.
Key Specifications Breakdown
- Caliber: 7.62x39mm – a widely available intermediate cartridge suitable for range use and hunting.
- Magazine Capacity: Comes with one 5-round magazine. Standard AK-47 magazines (10, 20, 30 rounds) are compatible.
- Barrel Length: 16 inches – meets U.S. legal requirements for a rifle while keeping the overall profile compact.
- Overall Length: Approximately 36 inches with stock extended, 27 inches with stock folded.
- Finish: Black phosphate finish on metal components, with a black synthetic furniture set (handguard, pistol grip, stock).
- Weight: Approximately 7.2 pounds unloaded – balanced for quick handling.
- Sights: Adjustable rear sight (notch) and front post. Standard AK-47 sight radius.
- Stock: Side-folding metal stock with a polymer buttpad, allowing for compact storage.
- Muzzle: Krink-style muzzle brake (threaded 24×1.5mm) to reduce recoil and muzzle rise.
- Receiver: Stamped steel, heat-treated for durability. Includes a side rail for mounting optics.
Feature Deep-Dive
The Arsenal SLR107-51 stands out because of its construction quality. Unlike many AK-pattern rifles that use cast or milled components with looser tolerances, Arsenal employs a cold-hammer-forged barrel and a stamped receiver that is heat-treated to military specifications. This results in a barrel that holds up to sustained firing and maintains accuracy over thousands of rounds. The black phosphate finish is applied evenly, providing corrosion resistance without adding unnecessary thickness. For the U.S. shooter, this means a rifle that can handle humid storage conditions or exposure to the elements during a day at the range.
The folding stock is a practical feature for those who need to transport the rifle in a compact case or store it in a safe with limited space. The stock locks securely when extended and folds to the left side, allowing the rifle to remain operational with the stock folded. The polymer pistol grip is ergonomically shaped for a solid hold, and the handguard offers enough surface area for a comfortable grip without interfering with the gas tube. The Krink-style muzzle brake is not just cosmetic; it redirects gas to reduce muzzle climb during rapid fire, making follow-up shots more controllable.
One of the key advantages of this model is the side rail mounted on the receiver. This rail accepts standard AK scope mounts, allowing you to attach a red dot or low-power variable optic without needing aftermarket modifications. For shooters who prefer iron sights, the rear sight is adjustable for windage and elevation, and the front post is easily adjustable with a standard tool. The trigger pull is typical of a military-style AK – slightly heavier than a match trigger but predictable and consistent. This is a rifle designed for reliability first, with accuracy that is more than adequate for its intended uses.
The 16-inch barrel provides a good balance between velocity retention and maneuverability. In 7.62x39mm, this barrel length yields muzzle velocities around 2,300 to 2,400 feet per second with standard 123-grain loads, which is sufficient for deer-sized game at distances under 200 yards. The chrome-lined chamber and bore resist fouling and corrosion, simplifying cleaning after a day of shooting. The gas system is piston-driven, which keeps propellant gases away from the action, reducing carbon buildup in the receiver. This design contributes to the AK’s reputation for functioning reliably even when dirty or under-lubricated.
For the collector, the SLR107-51 offers a faithful representation of the Bulgarian Krinkov pattern, which was originally developed as a compact variant of the AK-74. While this is a semi-automatic civilian model, the fit and finish are consistent with Arsenal’s military contracts. The markings are clean, the rivet work is uniform, and the bolt carrier moves smoothly in the receiver. This is not a parts-bin build; it is a factory-assembled rifle with quality control that meets U.S. import standards. For the shooter who wants a ready-to-use rifle without the guesswork of a kit build, this is a straightforward option.
Ideal Use Cases
- Range Training: The 7.62x39mm cartridge is affordable for regular practice, and the AK platform is easy to maintain. The folding stock makes it convenient to transport to and from the range.
- Home Defense: The compact overall length with the stock folded (27 inches) allows for easier navigation in tight spaces. The 16-inch barrel provides sufficient velocity for defensive ammunition.
- Hunting: Suitable for medium game such as deer or hogs at distances out to 150-200 yards, using soft-point or hollow-point ammunition. The rifle’s durability is an asset in rough field conditions.
- Collecting: The Bulgarian Arsenal lineage and Krink-style features make this a desirable addition to an AK collection, especially for those interested in Eastern European military patterns.
Compatibility Notes
Ammunition: This rifle is designed for standard 7.62x39mm ammunition. It will function reliably with brass-cased and steel-cased ammunition, including common brands like Wolf, Tula, and Barnaul. Avoid using armor-piercing or incendiary rounds, as they may damage the barrel and are not legal for civilian use in many jurisdictions.
Magazines: The rifle accepts standard AK-47/AKM pattern magazines. While it comes with a 5-round magazine, it is compatible with 10, 20, 30, and 40-round magazines from manufacturers such as Magpul, Circle 10, and Arsenal. Note that magazine capacity may be restricted by state or local laws.
Holsters and Slings: Not applicable for a rifle of this size. For carrying, a two-point sling attached to the standard sling loops is recommended.
Accessories: The side rail accepts AK scope mounts (e.g., RS Regulate, Midwest Industries). The muzzle brake is threaded 24×1.5mm, allowing for the installation of suppressors or compensators (check local laws). Aftermarket handguards and pistol grips are widely available, as the rifle uses standard AKM dimensions.
FAQ Section
1. Can this rifle be shipped to my address in the U.S.?
We ship to licensed Federal Firearms License (FFL) dealers only. We do not ship directly to residential addresses. Once your order is placed, we will require your chosen FFL dealer’s contact information to process the transfer. We ship to all 50 states, but you must comply with your state and local laws regarding firearm ownership.
2. What is the FFL transfer process?
After you place an order, you will need to provide the name and address of a licensed FFL dealer who will receive the rifle on your behalf. We will verify the dealer’s license and ship the firearm to them. You will then complete the ATF Form 4473 and undergo a background check at the dealer’s location before taking possession. Transfer fees are set by the dealer and are not included in our price.
3. What ammunition is compatible with this rifle?
This rifle is chambered for 7.62x39mm ammunition. It is compatible with all standard commercial loads, including both steel-cased and brass-cased ammunition. For best accuracy, we recommend using ammunition with bullet weights between 122 and 125 grains. Do not use 5.56x45mm or .223 Remington ammunition, as it will not fit the chamber and could cause damage.
4. What warranty does Arsenal provide?
Arsenal Inc. offers a limited lifetime warranty to the original purchaser against defects in materials and workmanship. This warranty covers the receiver, barrel, and bolt carrier group. Normal wear and tear, modifications, or damage from improper use are not covered. For warranty claims, contact Arsenal directly with proof of purchase. We are not an authorized service center but can assist with initial inquiries.
5. What is your return policy for firearms?
Due to federal regulations, all firearm sales are final. We cannot accept returns or exchanges on firearms once they have been transferred to your FFL dealer. If there is a manufacturing defect, the warranty process through Arsenal applies. We recommend inspecting the rifle at your dealer before completing the transfer. If you have questions about a specific feature before purchase, please contact us.
Closing Call to Action
The Arsenal SLR107-51 is available now for U.S. customers. We ship to licensed FFL dealers nationwide. If you are ready to add this Bulgarian Krink-style rifle to your collection or shooting rotation, place your order through our website. For any questions about availability or the ordering process, contact our team. We are here to assist with a straightforward transaction.
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