.308 Win. or 6.5 Creedmoor cal., right or left-hand action, 18 or 24 in. barrel, stainless steel Melonite custom brake, Mil-Spec trigger and mag. release, MBA-2 "Skullaton" stock, Ergo SureGrip, billet receiver set, Mil-Spec bolt catch, continuous top Picatinny rail, free floating rail system with KeyMod slots, 9 lbs. 3 oz. Disc. 2017.
7.62x39 cal., GIO, 16 in. HBAR Melonite barrel, low profile gas block, stainless carbine length gas system, A2 flash hider, forged receivers, M4 collapsible (12 in. FGS handguard variant only) or MFT Minimalist stock, free float 12 in. FGS or FQR (new 2020) handguard or 15 in. FCR, MHR, or RPR handguard, A2 (disc.), overmolded, or MFT grip, full length picatinny top rail, black anodized finish.
.458 SOCOM cal., GIO, stainless carbine length gas system, 16 in. HBAR/"Big Bore" profile Melonite finished barrel, Panzer brake, forged receivers, Luth-AR MBA-2 "Skullaton" (disc. 2017) or Adaptive Tactical stock (new 2021), 12 in. free float FHR (First-Gen Hybrid Rail) (disc. 2017) or 12 or 15 in. free float MHR M-LOK hybrid handguard with quad Picatinny rails on forend (new 2020), Ergo SureGrip (disc. 2017) or MFT grip (new 2020), low profile gas block, black anodized finish. Disc. 2017 and mfg. 2020-2021.
6.5 Grendel cal., GIO, mid-length (disc. 2021, 16 in. only) or rifle length gas system, 16, 20, or 24 in. stainless steel barrel, stainless Pepper Pot brake, Mil-Std forged receivers, MFT Minimalist collapsible stock, 15 in. free float FHR w/KeyMod slots on sides and bottom of rail (disc.), RPR rail with M-LOK attachment points, or MHR rail, MFT EPG16V2 grip, low profile gas block, M4 feed ramps, black anodized finish.
5.56 NATO cal., GIO, stainless mid-length gas system, 16 in. SOCOM profile barrel, A2 flash hider, MFT Minimalist or B5 Bravo (new 2021) stock and pistol grip, 12 or 15 in. free float FGS (12 in. only, disc. 2021), FCR (disc. 2021), MHR, or RPR handguard, M4 feed ramps, low profile gas block, black anodized finish.
.450 Bushmaster cal., GIO, stainless mid-length (16 in. barrel) or rifle length (20 in. barrel) gas system, 16 or 20 in. HBAR/"Big Bore" profile CM barrel, Panzer muzzle brake, forged receivers, Adaptive Tactical collapsible stock w/rubber cell buttpad, 15 in. free float MHR (M-LOK Hybrid Rail), MFT EPG16V2 grip, low profile gas block, quad Picatinny rails on the forend, Mil-Spec lower parts kit, black anodized finish. Disc. 2021.
12.7x42 cal., GIO, stainless carbine length gas system, 16 in. HBAR profile CM barrel, Panzer muzzle brake, forged receivers, MFT Minimalist or Adaptive Tactical collapsible stock with rubber cell buttpad, 12 or 15 in. free float MHR (M-LOK Hybrid Rail), quad Picatinny rails on the forend, MFT EPG16V2 grip, low profile gas block, Mil-Spec lower parts kit, black anodized finish. Disc. 2021.
.223 Wylde chamber, GIO, stainless mid-length or rifle length (18 in. only) gas system, 16 or 18 in. stainless steel medium profile barrel, Pepper Pot muzzle brake or A2 flash hider, forged receivers, MFT Minimalist stock, 12 (disc. 2021) or 15 in. free float FGS (12 in. only, disc. 2021), FCR (disc. 2021), MHR, or RPR type free float rail handguard, MFT EPG16V2 grip, low profile gas block, M4 feed ramps, black anodized finish. New 2020.
5.56 NATO cal., GIO, pistol or carbine (10.5 in.) length gas system, 7.5 or 10.5 in. Melonite treated CM barrel, A2 flash hider, forged Mil-Std receivers, pistol buffer tube assembly with or w/o SIG SB15 arm brace (disc.), low profile gas block, M4 feed ramps, 7 or 10 in. FGS rail with full length top Picatinny rail, MFT grip, Magpul MOE/RF FGS-A attachments on the sides and bottom of rail (7 in. barrel only, disc.), black anodized finish. Disc. 2021.
.300 AAC Blackout cal., GIO, pistol length gas system, 8 1/2 or 10 1/2 in. Melonite treated CM barrel, low profile gas block, A2 flash hider, Mil-Std. forged receivers, pistol buffer assembly with foam piece or SBA3 brace, M4 feed ramps, 7 or 10 in. FCR rail, allows for use of M-LOK accessories and rail attachments, MFT EPG16V2 grip, black anodized finish. Disc. 2021.
5.56 NATO cal., GIO, pistol or carbine (10.5 in.) length gas system, 7.5 or 10.5 in. Melonite treated CM barrel, forged Mil-Std receivers, pistol buffer tube assembly or SB Tactical SBA3 brace, M4 feed ramps, 7 or 10 in. FCR M-LOK rail with full-length top Picatinny rail, MFT EPG16V2 grip, black anodized finish. Disc. 2021.
5.56 NATO cal., GIO, pistol or carbine (10.5 in.) length gas system, 7.5, or 10.5 in. Melonite treated CM barrel, A2 flash hider, forged Mil-Std receivers, pistol buffer assembly with or w/o SIG SB15 arm brace (disc.), low profile gas block, M4 feed ramps, 7 or 10 in. FQR (First-Gen Quad Rail), MFT grip, full length Picatinny top rail, black anodized finish. Disc. 2021.
.300 AAC Blackout cal., GIO, pistol length gas system, 8 1/2 or 10 1/2 in. Melonite coated CM barrel, Mil-Std forged receivers, pistol buffer tube with or w/o SIG SB15 arm brace (disc.), 7 or 10 in. free float FQR (First-Gen Quad Rail), Picatinny rails on all four sides, MFT grip, M4 feed ramps, low profile gas block, Mil-Std lower parts kit, black anodized finish. Disc. 2021.
.300 AAC Blackout cal., GIO, pistol length gas system, 10 1/2 in. Melonite treated CM barrel, Mil-Std receivers, pistol buffer tube assembly with foam sleeve, 9 in. FHR KeyMod Hybrid Rail (allows for use of KeyMod accessories and Picatinny rail attachments at the forend of rail), M4 feed ramps, black anodized finish. Disc. 2019.
12.7x42mm or .458 SOCOM cal., GIO, stainless pistol or carbine length gas system, 10 1/2 in. HBAR Melonite treated CM barrel, Panzer muzzle brake, with or w/o SIG SB15 arm brace, MFT EPG16V2 grip, RF .936 gas block (12.7x42) or low profile micro gas block (.458 SOCOM), Mil-Std forged upper and lower receiver, 9 or 10 in. FHR (Free Float Hybrid Rail), KeyMod (12.7x42 only) or quad Picatinny rails for mounting (.458 SOCOM), black finish. Disc. 2019.
12.7x42mm or .458 SOCOM cal., GIO, stainless steel pistol length gas tube, 10 1/2 in. HBAR Melonite treated CM barrel, Panzer muzzle brake, pistol buffer tube assembly or SBA3 brace, MFT grip, low profile gas block, Mil-Std forged receivers, 10 in. free float MHR (M-LOK Hybrid Rail) with quad Picatinny rails at the forend for mounting, black anodized finish. Disc.
5.56 NATO cal., GIO, pistol or carbine (disc. 2021, 10.5 in.) length gas system, 7.5 or 10.5 in. Melonite treated CM barrel, forged Mil-Std receivers, pistol buffer tube assembly or SB Tactical SBA3 brace, M4 feed ramps, 7 or 10 in. RPR Thin M-LOK rail with full-length top Picatinny rail, MFT EPG16V2 grip, black anodized finish.
7.62x39mm cal., GIO, carbine length gas system, 10 1/2 in. Melonite treated CM barrel, A2 flash hider, Mil-Std forged receivers, pistol buffer tube, MFT EPG16V2 grip, low profile gas block, 10 in. FGS (Forward Guard Shield) round rail with top Picatinny rail, allows for use of Magpul MOE or FGSA rail attachments, M4 feed ramps, black anodized finish. Disc. 2021.