Convenient kit contains all the components needed to mount the buttstock of your choice on an AR-15 rifle or carbine. Perfect for stock conversions such as altering a rifle to accept a collapsible carbine stock. All parts are manufactured from the highest quality materials and held to strict dimensional tolerances for proper fit and function. A2 rifle kit adds to A1 kit contents the correct buttstock spacer required for A2 rifle stocks. Carbine kits contain receiver extension, carbine recoil spring, carbine recoil buffer, lock ring, and receiver plate. Mfg: Brownells SPECS: Receiver Extension & A2 Stock Spacer Aluminum, anodized, matte black. Recoil Buffer Aluminum and steel. Spring, Lock Ring, Receiver Plate Steel. Kits fit standard, mil-spec AR-15/M16/M4 lower receiver and clones. Installation instructions included.
Features: 18″ Fluted Heavy Barrel Machined from 416R Stainless Steel 1-8 twist Chambered in 5.56x45mm Matte black finish .936″ at the gas block (gas block not included) Mid-Length Gas System M4 feedramps 1/2-28 threaded muzzle Benefits: 18″ Fluted Heavy profile provides a rigid and strong barrel for long distance shooting Fluting provides weight reduction, while providing a more rigid than a standard barrel of the same weight M4 feedramps ensure positive feeding with a variety of 5.56x45mm ammunition 1-8 twist allows for a variety of bullet weights to be used, and works especiall Mfg: Dpms 416R Stainless Steel. Matte black finish. 18″ length. Mid-length gas system. .936″ OD at Gas Port. 1/2-28 Muzzle Threads. 1-8 twist. M4 feedramps. 5.56x45mm chamber.
These heavier AR15/M16 buffers assist in improving reliability in rifles with a shorter gas system. Heavier weight also assists in reducing bolt bounce in full auto fire. An added benefit, is a slight reduction in felt recoil. Mfg: Dpms SPECS: Fits – AR15/M16 rifles. H2 weight – 4.6 oz. Heavy weight – 3.55 oz.
Caliber-specific kits contain all the parts needed to refurbish or repair bolts on AR-style rifles. AR-15 Kit contains ejector, ejector/selector detent spring, extractor, extractor spring and buffer, extractor pin, ejector roll pin, 3 gas rings and extractor spring o-ring. 308 Kit fits CMMG, DPMS and similar-pattern AR-Style 308 rifles. It contains firing pin, firing pin retaining pin, extractor, extractor pin, large and small extractor springs, extractor o ring, ejector, ejector spring, and 2 McFarland-style bolt rings. 9mm Kit contains firing pin, firing pin spring, firing pin retaining pin, extractor and extractor roll pin. 22 LR Kit contains firing pin, extractor pin, 22 extractor, 22 Mfg: Cmmg SPECS: Fits – AR15 & M16 bolts.
Steel bolt is shot-peened for extra surface hardness, then magnetic particle inspected (MPI) for cracks and flaws to ensure reliability and long service life. Models available for rifles chambered in 6.8mm SPC. Comes completely assembled, with gas rings, extractor, and ejector installed. Mfg: Daniel Defense SPECS: Carpenter 158 steel, phosphate coated, matte black. 6.8mm SPC bolt installs in mil-spec AR-15/M16 carriers and requires a 6.8mm barrel and magazine for a 6.8mm SPC conversion.
Hardened, drill-rod steel shaft depresses the elevation spring to ease installation or removal of the rear sight elevation spring retaining pin. Hand-filling plastic handle ensures a firm, comfortable grip while applying pressure to the spring. Mfg: Brownells SPECS: Steel shank, in-the-white; plastic handle, black. 4”” (10.2cm) OAL, .250”” (6mm) O.D.
Features: Six position AR15/M16/M4 receiver extension assembly Includes Mil-Spec receiver extension/buffer tube, receiver lock plate, lock-nut/castle nut, carbine buffer and carbine buffer spring Buffer tube is Mil-Spec diameter and 6061 aluminum Carbine buffer weight is 3 oz Buffer spring is 17-7 stainless steel Mfg: Brownells Fits standard AR15/M16 lower receivers. Mil-spec diameter. Includes buffer tube, lock plate, castle nut, buffer and buffer spring.
Double Star’s Picatinny Rail Adjustable Gas block is in house from 6065 T6 aluminum and finished with a black hard coat anodize. The stainless steel adjustment screw is held in place with a brass tipped stainless steel set screw. The brass tip prevents damage to the threads on the adjustment screw. Mfg: Double Star SPECS: Material: 6065 T6 Aluminum. Inside Diameter: .750.