This item is out of stock

    Please Note - Most Propellant Powders are in Stock but  this can change daily due to exceptional demand at present.

    We can no longer courier / post / send shooter's propellents due to TNT withdrawing that option so these products are collect only.

    We have to restrict online purchase and only sell face to face on production of a valid FAC, thank you for your understanding.

    Please note we cannot post this item.  Delivery or Collection should be arranged prior to purchase.

    RS40 derives directly from our successful, military-qualified 5.56 mm propellant powder. 

    This makes it the perfect powder for .222 Rem. and .223 Rem. It also works extremely well with medium-bore cartridges such as the .308 Win. in combination with lightweight bullets.

    Standard calibres

    • .222 Rem.
    • .223 Rem.
    • .300 Savage
    • .308 Win. with lightweight bullets

    Packaging units

    1kg can + 10 kg drum

    Powder type

    RS40 is an extruded, single-based propellant powder based on nitrocellulose. A unique impregnation method using nitroglycerine assures top performance.

    Safe service life

    If properly stored, the propellant powder remains safe to use for up to ten years.

    Verification tolerances

    Batch-to-batch tolerance:

    v5 ±12 m/s
    pmax ±250 bar

    Key characteristics

    Heat of explosion  approx. 3,950 J/g
    Bulk density  approx. 940 g/l
    Grain diameter approx. 0.7 mm
    Grain length approx. 1.1 mm