D54R A1 Pistol

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    • Properly rolled and welded upper receiver with the finest attention to detail
    • Integral receiver top 1913 picatinny rail
    • Free-floating 16-flute cold hammer forged 3-lug barrel
    • Tungsten filled sear-ready bolt-group
    • Anti-rattle magazine release
    • DTAC Modular Handguard System featuring 6 M-LOK slots
    • SEF Navy-style semi-auto trigger group (A1/A2/A3)
    • Ambidextrous semi-auto trigger group with left-side ESSL (A4)
    • 30 round steel curved detachable magazine
    • A1 endcap with sling swivel (pistol) or A2/A3/A4 stock (SBR)
    • Sights: Rear rotary drum; Front hooded post
    • Fully parkerized with HK Black Duracoat final finish
    • SSR™ Technology


    • Caliber: 9mm x 19 Parabellum
    • Barrel length: 5.85″
    • Barrel twist: 1:10 with 6 right-hand grooves
    • Operation: Semi-automatic roller-delayed blowback