Gear Rainier Arms 45/90 Degree Selector Compatible Lower Receiver Recoil Staff May 24, 2012 Join the Conversation Rainier Arms has just introduced their newest forged lower receiver compatible with both 45 degree and 90 degree safety selectors. Their lowers are made to mil-spec and machined from forged 7075 aluminum. Also features a tension screw, to help reduce any play between the lower and upper receivers, and a flared magwell to aid in quicker reloads. You can grab the lower here: Rainier Arms 45/90 Degree Selector Compatible Lower Receiver. For those that are interested or curious as to what a 45 degree selector is, check out our review of the Battle Arms Development BAD-CASS. www.rainierarms.com www.battlearmsdevelopment.com Explore RECOILweb:Ford Announces Limited Edition GT 66 Heritage EditionUpgrading the IWI Tavor with the Geissele Super SabraThe Best Pistol Zero: What It Is & What Goes Into ItWalking Fire Concept: The 100 Year Legacy of the BAR NEXT STEP: Download Your Free Target Pack from RECOILFor years, RECOIL magazine has treated its readers to a full-size (sometimes full color!) shooting target tucked into each big issue. Now we've compiled over 50 of our most popular targets into this one digital PDF download. From handgun drills to AR-15 practice, these 50+ targets have you covered. Print off as many as you like (ammo not included). Get your pack of 50 Print-at-Home targets when you subscribe to the RECOIL email newsletter. We'll send you weekly updates on guns, gear, industry news, and special offers from leading manufacturers - your guide to the firearms lifestyle.You want this. Trust Us.