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Ar-15/M16 Receiver Adapter Ar-15 Receiver Adapter
Use this off-set bushing and pivot-pin screw to adapt pre-ban and current after-market, upper receivers that accept the .250" dia. pivot pin to Colt Sporter lower receivers that take the larger (.315" dia.) pivot pin. Installation requires no alterations to either unit. Measure your pivot pin before ordering. Mfg: Dpms Firearms Llc SPECS: Steel, blued. 
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$7.99
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Top stores
Brownells
$7.99
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Pro Mag Ar-15/M16 9mm Magazine Adapter
Magazine well insert converts a standard .223/5.56 AR-15 lower receiver to accept Colt SMG and modified Uzi-type 9mm magazines for use with a dedicated 9mm upper receiver. Friction-fit, top-down installation with steel tabs that fit over the top of the lower receiver to keep the adapter in place. Durable polymer body with Parkerized steel fixtures for added support. Bolt hold-open after last shot with Colt magazines only. Mfg: Pro Mag SPECS: Polymer body, black. Steel feed ramp, bolt stop, ejector...
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$53.50
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Brownells
$53.50
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AR-15/M16 UNIVERSAL AMBI SLING ADAPTER
Clamp-on sling adapter provides secure, low-profile, ambidextrous attachment for single-point clip-on slings on rifles with M4-type collapsible buttstocks. Doesn’t require disassembly of receiver extension or existing endplate to install. Slides over extension and clamps down tight with a unique cross-lock system that adjusts to fit both mil-spec (1.14" O.D.) and larger-diameter commercial (1.16" O.D.) tubes. Rugged, machined aluminum and steel construction, with a uniform, matte black finish that...
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$29.99
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Top stores
Brownells
$29.99
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Zel Custom AR-15/M16 Tactilite Upper Receiver
Bolt action upper receiver combines with any off-the-shelf AR-15 lower to create a professional-quality, ultra-long range rifle. Receiver is fully machined from a single piece of 4140 steel barstock, heat treated for superb strength, Parkerized, and then top-coated with a tough, corrosion-blocking CeraKote™ ceramic finish. Heat-treated 4340 steel bolt uses the time-tested two lug push-feed design for tremendous strength and reliability. Machined 7075 aluminum handguard has integral MlL-STD 1913 Picatinny...
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$2,599.99
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sinclairintl.com
$2,599.99
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CMMG Coolers ar-15/m16 complete upper receiver
Mil-Spec M4 upper receiver with ceramic finish. Stainless steel action. .22 Long Rifle caliber. Sixteen inch W.A.S.P. carbon steel barrel with 1 in 16 inch twist. Mil-Spec 1/2x28 threaded muzzle with A1 flash hider. Picatinny railed low profile front sight base. Live round extraction. Anti-jam charging handle. Low profile single rail gas block.
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$424.99
thegunsource.com
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thegunsource.com
$424.99
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Ar-15/M16 Daniel Defense Upper Receivers Ddm4v4 16" 5.56 9.0 Upper Receiver
Complete & Loaded With Top-Of-Line Tactical AccessoriesFully assembled upper receiver comes decked out with top-of-the-line Daniel Defense tactical accessories, ready to install on a mil-spec lower receiver. Every Daniel Defense Upper Receiver is test fired before it leaves the factory to ensure correct fit and function. A4-type flattop receiver is machined from a high-quality 7075 T6 aluminum forging, with M4-style feed ramps. Bolt and carrier group has a chrome-lined carrier and is magnetic-particle...
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$1,014.00
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policestore.com
$1,014.00
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Ar-15/M16 V-Match Upper Receiver V-Match Upper Receiver
Stripped, A3-style flattop upper receiver is carefully machined to mil-spec or better dimensions to serve as the foundation for a top-quality AR rifle customized to your exact requirements. Just add the bolt/carrier, charging handle, ejection port cover, and forward assist of your choice to complete the upper. Precision machined from a forging of 7075 T6 aluminum that is almost 40% stronger than the alloy used in standard AR-15 receivers, so it stands up to the unrelenting tempo of competition or...
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$181.99
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policestore.com
$181.99
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Ar-15/M16 Receiver Shims Upper/Lower Receiver Shims
Tempered stainless steel shims reduce play between receiver halves and hammer/trigger components for a tighter, smoother-functioning rifle. Helps restore accuracy and reduce noise in older rifles. Upper/Lower shims fit on the pivot pin to reduce side-to-side play between the upper and lower receiver. Mfg: Power Custom SPECS: Stainless steel, heat-hardened. Pak of 10.
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$17.99
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Top stores
Brownells
$17.99
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Brownells Ar-15/M16 Upper Receiver Lapping Tool
Cold-rolled steel lapping tool chucks into a 3/8″ hand drill to easily “square” the upper receiver face on your AR-15. Helps ensure precise mating of barrel and receiver for added accuracy. Coat face of receiver with aluminum-oxide lapping compound; extra long pilot slides into the bolt carrier tunnel to maintain perfect concentricity with the receiver. Mfg: Brownells SPECS: Cold-rolled steel, in the white. 8 1/4″ (21cm) long, 3/8″ (9.5mm) diameter shank.
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$34.95
ar15parts.info
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Top stores
ar15parts.info
$34.95
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Falcon Industries/Ergo Grips Ar-15/M16 Rail Sling Adapter
Solid, one-piece aluminum mount with steel, pivot pin and swivel attaches to any Picatinny or Weaver-style accessory rail for instant sling attachment. Nylon tip set screw locks mount to rail. Quiet, rubber-coated swivel prevents metal-to-metal slap and eliminates sling wear at point of contact. Accepts slings up to 1 1/4" wide. Mfg: Falcon Industries/Ergo Grips SPECS: Base - Aluminum. Swivel/Hardware - Steel. Matte black finish. 9/16" (1.4cm) long, 1 1/4" (3.2cm) wide, 1-5/8" (4.1cm) high. Fits...
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$22.00
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Top stores
Brownells
$22.00
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AR-15/M16 Upper Receiver Bolt Saver
Molded polymer cover fits in the underside of a disassembled AR-15 upper receiver to prevent the bolt from falling out and keep dirt and debris out of internal components. Can be installed on any standard rimfire or centerfire upper to protect bolt carrier cover. Slide over front and rear take-down pins, then secure it with the two cotter-style push pins.
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$2.95
joeboboutfitters.com
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joeboboutfitters.com
$2.95
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Falcon Industries/Ergo Grips Ar-15/M16 Lower Receiver Spring Kit
All the factory-weight springs needed to finish building up a stripped lower receiver or refurbish an existing lower to like-new function. Replace worn, corroded, or fatigued springs before they fail-inexpensive insurance against game-ending stoppages caused by spring failure during competition or tactical operations. Kit includes springs for trigger, hammer, disconnector, safety selector, magazine catch, bolt catch, buffer retainer, and takedown pin detents. Mfg: Falcon Industries/Ergo Grips SPECS...
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$6.99
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Top stores
Brownells
$6.99
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