AR-AK-SubGuns

Sig Sauer

Sig Sauer RM400SDI16BP M400 X-Series 5.56x45mm Rifle with 16-Inch Barrel and Magpul SL-K Stock

Springfield Armory

Springfield Armory STV91609B Saint Victor 9mm Luger Rifle with 16-inch Barrel and B5 Bravo Stock

Sig Sauer

Sig Sauer M400 SDI 5.56 NATO Semi-Auto Rifle with 11.5-Inch Barrel, Black Finish

Smith & Wesson

Smith & Wesson M&P10 Sport 6.5 Creedmoor Rifle with 16-Inch Barrel, Black Armornite Steel Finish

Aero Precision

Aero Precision M4E1 Pro Complete Lower Receiver in Kodiak Brown - APAR600195

Sig Sauer

Sig Sauer RMCX556N16BLTB MCX 5.56 NATO 16-Inch Barrel Rifle with Black Finish

Black Rain Ordnance

Black Rain Ordnance BROMLRBLK AR-15 Milled Lower Receiver in Black Anodized Aluminum

Heckler & Koch (HK USA)

HK SP5 9mm Parabellum Semi-Auto Rifle with 8.86-inch Barrel and 30+1 Capacity

Spike's Tactical

Spikes Tactical STLS015 Punisher Stripped Lower Receiver for AR-15 - Multi-Caliber, 7075-T6 Aluminum, Black Hardcoat Anodized

Yankee Hill Machine Company

Yankee Hill 125BILLET Billet Lower Receiver for AR-15 in 5.56x45mm NATO - Black Anodized 7075-T6 Aluminum

Sharps Bros

Sharps Bros SBLR08F Livewire Stripped Lower Receiver - Multi-Caliber, 7075-T6 Aluminum, Black Anodized Finish

FN

FN SCAR 20S NRCH 7.62x51mm NATO Semi-Auto Rifle with 20-Inch Stainless Steel Barrel and Adjustable Stock