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    •  Phone Orders 307.675.1191
     

    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L

    Our Products: AK47 - AK74 - RPK
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    (Click to see larger image and other views)
    SKU: KNS-AGP-A-20L
    Brand: KNS
    KNS ADJUSTABLE GAS PISTON FOR ARSENAL LARGE BORE RIFLE, AGP-A-20L
    List Price: $149.00
    Price: $135.00
    Availability: Currently Out of Stock
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    Product Details
    Please see the diagrams above regarding gas piston dimensions. While specific firearms are referenced, the only way to ensure you order the correct part is to obtain precise measurements of your gas piston.  

    The 2 important measurements that must be taken for proper fit are the Working Length (WL) and the Hole Distance (HD).

    AGP-A-20L Arsenal Large Bore Rifle Adjustable Gas Piston measurements:

    • Working Length: 5.75 INCHES/146mm
    • Hole Distance: .30 INCHES/8mm

    Finally, a drop-in solution for taming the notoriously-overgassed AK platform. The patented KNS AK Adjustable Gas Piston is a replacement for the AK’s piston head that attaches to the bolt carrier in about 10 minutes with no major gunsmithing or permanent modification required. The user is granted an extremely wide range of gas adjustment for suppressed and unsuppressed use, as well as a variety of different kinds of ammunition.

    A good rule of thumb to determine if our piston will be useful, is if your gun throws the brass over 15 feet. This can signify excess gas pushing the carrier back at a higher velocity and pressure, than is needed for effective operation. Most (but not all) AKs are over-gassed. This causes more recoil, more wear and tear, and less controllability. Many users are surprised to feel the difference in how their gun shoots with our Adjustable Gas Piston System installed.

    Variations in the AK platform, the use of some after market parts and a properly-tuned and gassed firearm may not greatly enhance the performance and may impede function due to under-gassing or interference.

    KNS has redesigned and improved the adjustment collar for your AK Adjustable Gas Piston. With robust collar geometry and the addition of a roller detent, this version is MUCH stronger and protects all critical components from impact.

    There is no need to remove or replace your gas block for adjustability. Just change the piston, and go shoot.

    Small Bore/Caliber pistons are for .223″, 5.56mm, and 5.45mm. They work better in AK’s of ALL CALIBERS with less excess gas.
    Large Bore/Caliber pistons are for 7.62×39, .308″, and 7.62x54r.

    Key Benefits:

    • Updated Mod 2 Collar
    • Tool-Free Adjustment
    • Reduces Recoil
    • Tune almost any AK for suppressed use
    • Decrease cyclic rate for full-auto fire
    • US-made 922r Compliance Part
    • Piston head assembly made from corrosion-resistant stainless steel
    • All surface parts nitrided for durable, low-friction, & easily-cleaned operation

    Patent Number 10,330,480

    **When selecting your piston please refer to the charts pictured above to ensure maximized compatibility with your firearm.**

    ***A small percentage of Commercial Spec firearms have the piston welded to the carrier, instead of the usual Rivet holding in the Piston. We recommend purchasing a new carrier for the easiest installation.***

    **** Vepr and Saiga Pistons will require drilling through the op-rod after screwing the piston into the carrier, due to variations in the staking location. These Op-Rods are Phosphated instead of Nitrided to allow easy drilling.****


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    About Us

    RTG Parts LLC has been family owned and operated since its inception in 1999. RTG Parts was established to provide increased customer access to top quality military surplus parts, magazines and accessories. We are proud to offer an extensive inventory of rare and unusual items as well as select new production U.S. made parts. RTG Parts is committed to keeping prices low while maintaining a high level of customer service. We believe we offer the best combination of value and quality found anywhere in the firearms community.

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    307.675.1191 931 Frank St.
    Sheridan, WY  82801