BROWNELLS HAS THEM FOR $49.00
http://www.brownells.com/rifle-parts/receiver-parts/receivers/lower-receivers/stripped-lower-receiver-sku100003638-70749-52257.aspx?cm_mmc=external%20partners-_-AR15com-_-banner-_-BlackRifleWk3
And what about ruger mini 30 is it legal?
Manufacturers A: AA Arms AP–9 semiautomatic pistol;American Arms Spectre da Semiautomatic carbine; AK–47 in all forms; Algimec AGM–1 type semi–auto; AR 100 type semi–auto; AR 180 type semi–auto; Argentine L.S.R. semi–auto; Australian Automatic Arms SAR type semi–auto; Auto–Ordnance Thompson M1 and 1927 semi–automatics;
Manufacturers B-C: Barrett light .50 cal. semi–auto; Beretta AR70 type semi–auto; Bushmaster semiautomatic pistol; Bushmaster semi–auto rifle; Calico models M–100 and M–900; CIS SR 88 type semi–auto;Claridge HI TEC C–9 carbines; Claridge HI–TEC semiautomatic pistol; Colt AR–15, CAR–15, and all imitations except Colt AR–15 Sporter H–BAR rifle;
Manufacturers D-F: D Max Industries semiautomatic pistol; Daewoo MAX 1 and MAX 2, aka AR 100, 110C, K–1, and K–2; Dragunov Chinese made semi–auto; Encom MK–IV, MP–9, or MP–45 semiautomatic pistol; Famas semi–auto (.223 caliber); Feather AT–9 semi–auto;FN LAR and FN FAL assault rifle; FNC semi–auto type carbine; F.I.E./Franchi LAW 12 and SPAS 12 assault shotgun; Steyr–AUG–SA semi–auto;
Manufacturers G-I: Galil models AR and ARM semi–auto; Heckler and Koch HK–91 A3, HK–93 A2, HK–94 A2 and A3; Heckler and Koch semiautomatic SP–89 pistol; Holmes model 88 shotgun;Holmes MP–83 semiautomatic pistol; Ingram MAC 10/11 semiautomatic pistol and variations including Partisan Avenger and the SWD Cobray; Intratec TEC–9/DC–9 semiautomatic pistol in any centerfire variation;
Manufacturers K-R: Avtomat Kalashnikov semiautomatic rifle in any format; Manchester Arms “Commando” MK–45, MK–9; Mandell TAC–1 semi–auto carbine; Mossberg model 500 Bullpup assault shotgun; Sterling Mark 6; P.A.W.S. carbine; P.A.W.S. type semiautomatic pistol; Ruger mini–14 folding stock model (.223 caliber);
Manufacturers S: SIG 550/551 assault rifle (.223 caliber); SKS with detachable magazine; Skorpion semiautomatic pistol; Spectre double action semiautomatic pistol (Sile, F.I.E., Mitchell); AP–74 Commando type semi–auto; Springfield Armory BM–59, SAR–48, G3, SAR–3, M–21 sniper rifle, M1A, excluding the M1 Garand; Street sweeper assault type shotgun; Striker 12 assault shotgun in all formats;
Manufacturers U-W: Unique F11 semi–auto type; Daewoo USAS 12 semi–auto shotgun; UZI 9mm carbine or rifle; UZI semiautomatic pistol; Valmet M–76 and M–78 semi–auto; Weaver Arms “Nighthawk” semi–auto carbine; Weaver Arms semiautomatic Nighthawk pistol; Wilkinson Arms 9mm semi–auto “Terry”; and Wilkinson semiautomatic “Linda” pistol.