CMMG AR-15 Rifle MOD4SA Lower Receiver
Friday, November 28th, 2008 at 2:57 PMCMMG AR-15 Rifle MOD4SA Lower Receiver
Mil-Spec Receiver With Precision Trigger Group & Ambi Safety
CMMG - -(AmmoLand.com)- Fully assembled semi-auto lower receiver includes trigger group, grip, and ambi safety, and is ready for the upper, receiver extension, and buttstock of your choice. Forged from 7075 T6 aluminum alloy, for an extra margin of strength and rigidity over standard 6061 alloy receivers, before precision machining to final mil-spec dimensions. Hardcoat anodized for added strength, then Teflon® coated for outstanding resistance to scuffs, scratches, surface abrasion, and discoloration from gun oils. CMMG’s engineers designed custom fixtures for final grinding of 10 separate contact surfaces on the trigger, disconnector, and hammer to ensure a crisp, precise release. Proprietary bronze bushings on trigger and hammer pins reduce friction for a consistent, ultra-smooth pull and exceptionally fast locktime. Rounded, low-mass hammer further speeds locktime and reduces wear on contact surfaces. Trigger is function tested before lower leaves factory; works equally well in .22 LR conversions. Receiver also includes bolt release lever, mag release button, aluminum triggerguard, and A2 pistol grip already installed. A2-style pistol grip of nearly indestructible polymer has molded-in checkering for a secure grip and is impervious to humidity, temperature extremes, and most cleaning chemicals and lubricants.
SPECS: Receiver – Forged 7075 T6 aluminum, hardcoat anodized, Teflon coated, matte black. “.223/5.56mm” stamped on side of magwell. Pistol Grip – High-impact polymer, black. .154″ hammer/trigger pin holes. .250″ pivot pin holes. FFL required for purchase.
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About:
Brownells is the world’s largest supplier of firearm parts, gunsmithing tools, equipment and accessories. Stocking more than 30,000 items, the company supplies armorers, gunsmiths, and shooters worldwide. All of their products are backed by a 100% satisfaction, unconditional, lifetime guarantee. To order, or for more information, call 800-741-0015 or visit Brownells.com
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