Heckler And Koch SBR Products

Heckler and Koch firearms are considered by many to be the finest military grade weapons available to the public.

It is easier than ever to buy NFA items with Arnzen Arms doing required fingerprinting, taking photos, and filling out and mailing the Form 4 as part of the purchase! Starting Jan 1, 2026, the $200 Tax due when filing the Form 4 has been waived! Appointments are not required, but can be made at http://calendly.com/aa-nfa.

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MR556 A4, Semi-automatic, Short Barrel Rifle, 556NATO, 11" Threaded Barrel, 1/2X28 Thread Pitch, Anodized Finish, Black, M-LOK Free Float Handguard, Adjustable Gas Block, Ambidextrous Controls, 30 Rounds, 1 Magazine 81001048

Out of stock

$3,749

HK MR556 A4, Semi-automatic, Short Barrel Rifle, 556NATO, 11" Threaded Barrel, 1/2X28 Thread Pitch, Anodized Finish, Black, M-LOK Free Float Handguard, Adjustable Gas Block, Ambidextrous Controls, 30 Rounds, 1 Magazine 81001048

MR762 A4, Semi-automatic, Short Barrel Rifle, 762NATO, 13" Threaded Barrel, 5/8X24 Thread Pitch, Anodized Finish, Black, M-LOK Free Float Handguard, Adjustable Gas Block, Ambidextrous Controls, 20 Rounds, 1 Magazine 81001054

Out of stock

$4,597

HK MR762 A4, Semi-automatic, Short Barrel Rifle, 762NATO, 13" Threaded Barrel, 5/8X24 Thread Pitch, Anodized Finish, Black, M-LOK Free Float Handguard, Adjustable Gas Block, Ambidextrous Controls, 20 Rounds, 1 Magazine 81001054

Heckler And Koch SBR Products

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