MR5 130 is DR’s Hi Beam stainless steel, round core, long scale 5 string bass set in .045–.130 gauge, known for bright tone, flexibility, and long life. What MR5 130 Is A 5 string Hi Beam set using stainless steel roundwound wire on a round core Gauge: .045–.130 (medium to heavy) Long scale, fitting instruments up to 37 3/4" scale length Designed for electric 5 string basses, including those needing a firm, articulate low B. Tonal Character Across the results, Hi Beams are consistently described as: Bright and musical, but not harshly bright Highly flexible thanks to the round core Punchy, with strong clarity and string to string balance Long lasting, retaining brightness longer than many stainless sets Players note: “Lots of Zzing when fresh… still long lasting without losing tone and comfort” “They don’t eat your frets” — a repeated claim in DR’s own description Feel & Playability Round core construction gives a softer, more flexible feel than hex core stainless strings Suitable for slap, pop, and articulate fingerstyle; one reviewer highlights them as ideal for bright slap tones Construction Details Stainless steel wrap for brightness and durability Round core for warmth, flexibility, and a more “vintage” base feel while still staying bright Not taperwound (full diameter low B) Hi Beams are endorsed by many well known bassists, including: Sting, Geezer Butler, Adam Clayton, Ida Nielsen, Bootsy Collins, Chris Wolstenholme DR’s site also lists Stanley Clarke, Joey Vera, Eddie Jackson, and others Summary of Key Specs (MR5 130) Type: Hi Beam stainless steel bass strings Set: 5 string Gauge: .045 / .065 / .085 / .105 / .130 (medium) Core: Round core Winding: Roundwound stainless steel Scale: Long scale (fits up to 37 3/4") Tone: Bright, punchy, balanced Feel: Flexible, smooth, easy to play Durability: Long life, consistent tone Who MR5 130 Is Best For Choose MR5 130 if you want: A bright, lively stainless steel sound A flexible feel rather than stiff tension A strong, clear low B Strings that stay bright for a long time A set that works across many bass types (Precision, Soundgear, Warwick, etc.)