1 to 20 of  22 products for ar15 stainless steel bolt carrier stainless steel bolt carrier

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Ar-15 5.56 Full Mass Bolt Carrier Group - Jpbc-2a Full-Mass Bolt & Carrier

Precision-machined, stainless bolt-and-carrier group features JP’s enhanced bolt made of high-grade 9310 steel for a significantly longer life expectancy than standard mil-spec bolts. Set is available with choice of a JPBC-3A, JPBC-3SPA, JPBC-2A-6.5G, and JPBC-3A-6.5G Low Mass carriers that reduce felt recoil and increase bolt speeds slightly for enhanced rapid fire handling, or the standard JPBC-2A and JPBC-2A-6.5G Full Mass carriers that replicates the normal carrier weight and is preferred for duty rifles or any time absolute reliability is required. Standard weight carrier features a 100% increase in bearing surface for smoother cycling and reduced wear on the inside of the rece Mfg: J P Enterprises

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Brownells
$351.99 See It
Ar-15 .22 Lr Conversion Kits - Bravo Ss Arc Kit W/ 25 Round Mag

Drop-in .22 LR conversion system comes fully assembled and ready to install in any semi-auto AR-15 to help you practice critical shooting skills with economical rimfire ammunition. Concentrate on improving grip, sight alignment, trigger pull, and other skills without burning up expensive centerfire ammo. Simply replace the bolt and carrier with the conversion unit, load up the included magazine with high-velocity round-nose .22 LR ammo, and you’re ready to shoot. Precision machined from high-grade carbon or stainless steel for reliable function in any mil-spec AR-15 rifle or carbine chambered in 5.56mm NATO, including many gas piston systems.  Bravo kit consists of a stainless Mfg: Cmmg SPECS: Stainless steel bolt group, brass extension bushing. Bravo – Includes: forward assist adapter, anti-jam charging handle, and a cleaning jag/guide rod. Available with 10-round or 25-round magazine. Echo – Includes: forward assist adapter, anti-jam charging handle, cleaning jag/g

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Brownells
$229.95 See It
Ar-15/M16 Gas Piston Conversion Kit - Gas Piston Conversion Kit, Carbine

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling and less wear on the action. Feeds more smoothly, maintenance is easier, and the gun runs cooler, too. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling and reduced felt recoil. Easy to adjust for three levels of gas release: normal fire, firing with a suppressor attached, or a single round fired without cycling. Picatinny rail on the gas block provides mounting space for a variety of Mfg: Adams Arms SPECS: Gas Block, Piston Tube, Bolt Carrier, Handguard Retainer Cap – Steel, black oxide finish. Piston – Stainless steel. Handguard – Reinforced polymer composite, black. Kit contains piston assembly, gas block, one-piece bolt carrier, handguard, handguard retainer, and install

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Brownells
$259.99 See It
Ar-15/M16 Gas Piston Conversion Kit - Gas Piston Conversion Kit, Mid-Length

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling and less wear on the action. Feeds more smoothly, maintenance is easier, and the gun runs cooler, too. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling and reduced felt recoil. Easy to adjust for three levels of gas release: normal fire, firing with a suppressor attached, or a single round fired without cycling. Picatinny rail on the gas block provides mounting space for a variety of Mfg: Adams Arms SPECS: Gas Block, Piston Tube, Bolt Carrier, Handguard Retainer Cap – Steel, black oxide finish. Piston – Stainless steel. Handguard – Reinforced polymer composite, black. Kit contains piston assembly, gas block, one-piece bolt carrier, handguard, handguard retainer, and install

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Brownells
$275.99 See It
Ar-15 Full Mass Bolt Carrier Assembly - Jpbc-3 Low Mass Bolt Carrier

Lightweight, stainless steel bolt carrier has significantly lower reciprocating mass than a standard mil-spec carrier for softer recoil impulse on competition rifles. Helps limit felt recoil to get you back on target for fast follow-up shots. Lightening cuts reduce weight without sacrificing strength, and the forward assist serrations have been omitted for competition use. Extra-wide carrier rails have extra bearing surface to improve bolt alignment and reduce wear. Comes with carrier key installed and staked, and features a dust cover notch. For best performance and to minimize impact wear, use only in rifles with J.P. Low-Mass Recoil Buffer, Speed Hammer, and Reduced-Power Spring Kit, all Mfg: J P Enterprises SPECS: 416 stainless steel, polished, black QPQ finish. Recommended for competition rifles only.

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Brownells
$214.99 See It
M16 5.56 Black Nitride Bolt Carrier Group - M16 Bolt Carrier Group -16%

Drop-in-ready bolt-and-carrier group has a proprietary low-friction coating that minimizes the need for lubricants that can attract and hold grit, bind, or thicken up. BlacknitridePlusSM processing gives the metal a harder, stronger surface than the substrate underneath, providing extreme durability, reliability, and resistance to wear and corrosion, in addition to extending the life of critical parts. Also helps dissipate heat efficiently, so operating parts run cleaner and cooler. Less carbon buildup makes field cleaning easier - fouling wipes away with a clean cloth. Endurance tested for thousands of rounds and magnetic particle inspected to ensure no hidden defects. Complete and fully Mfg: Rubber City Armory SPECS: Bolt – Carpenter 158 steel, BlacknitridePlus coated, matte black. Carrier – 8620 steel, BlacknitridePlus coated, matte black. Firing pin – 17-4 stainless steel, hard-chromed, silver color. Gas key and cam pin also have BlacknitridePlus coating. Fits mil-spec AR-15/M16 upp

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Brownells
$250.00 $209.99 See It
Ar-15/M16 Piston Tactical Evo Upper Receivers - Gas Piston Upper Receiver Tac Evo Mid-Length

Chambered in 5.56mm NATO, this economical, high performance upper assembly fits any standard Mil-Spec AR-15 lower. Forged from 6061 T6 aluminum, receiver features M4 feed ramps and an A4 flattop rail. The mid-length piston system offers a longer forearm with a more ergonomic grip, less felt recoil, and a longer sight radius for quicker sight acquisition. Rifle runs cooler, cleaner, and more reliably thanks to the patented short stroke gas piston operating system which prevents hot gas and debris from blowing back into the action. Removable Picatinny rail sections can be positioned on the lightweight, free floating forearm to meet your accessory mounting needs. The 16” barrel comes w Mfg: Adams Arms SPECS: Receiver, Handguard - 6061 T6 aluminum, Type III hardcoat anodized, matte black, with dry-film lubricant coating. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Barrel – Chrome-moly steel, Melonite® hardcoated, matte black.

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Brownells
$799.99 See It
Ar-15/M16 Mut® Multi-Tool - Mut Multi-Tool W/Brown Sheath

Versatile multi-tool packs classic Leatherman features, plus specific tools for the military, law enforcement, civilian, and competition AR-15/M16 shooter. Not only will the MUT help you perform routine maintenance and adjustment tasks on the basic AR platform and popular accessories, it can literally save your life. In the event of a jam caused by “bolt override”—an ejection failure that traps the spent case between the bolt and charging handle—simply drop the mag, insert the MUT’s bolt override tool into the ejection port and yank the carrier quickly to the rear to clear. The non-marring bronze carbon scraper cleans all areas of the bolt/carrier assembly pr Mfg: Leatherman Tool Group Inc. SPECS: Stainless steel, black oxide finish. 5" (12.7cm) OAL folded, 7¾" (19.7cm) OAL opened. 3" (7.6cm) long knife blade. 10.9 oz (309g) wt. Includes nylon belt sheath in black or brown, plus ½" and 3/8" 12-point wrench.

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Brownells
$159.99 See It
Ar-15/M16 Mut® Multi-Tool - Mut Multi-Tool W/Brown Sheath

Versatile multi-tool packs classic Leatherman features, plus specific tools for the military, law enforcement, civilian, and competition AR-15/M16 shooter. Not only will the MUT help you perform routine maintenance and adjustment tasks on the basic AR platform and popular accessories, it can literally save your life. In the event of a jam caused by “bolt override”—an ejection failure that traps the spent case between the bolt and charging handle—simply drop the mag, insert the MUT’s bolt override tool into the ejection port and yank the carrier quickly to the rear to clear. The non-marring bronze carbon scraper cleans all areas of the bolt/carrier assembly pr Mfg: Leatherman Tool Group Inc. SPECS: Stainless steel, black oxide finish. 5" (12.7cm) OAL folded, 7¾" (19.7cm) OAL opened. 3" (7.6cm) long knife blade. 10.9 oz (309g) wt. Includes nylon belt sheath in black or brown, plus ½" and 3/8" 12-point wrench.

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Brownells
$159.99 See It
Ar-15/M16 Gas Piston Conversion Kit - Gas Piston Conversion Kit, Pistol

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling and less wear on the action. Feeds more smoothly, maintenance is easier, and the gun runs cooler, too. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling and reduced felt recoil. Easy to adjust for three levels of gas release: normal fire, firing with a suppressor attached, or a single round fired without cycling. Picatinny rail on the gas block provides mounting space for a variety of Mfg: Adams Arms SPECS: Gas Block, Piston Tube, Bolt Carrier, Handguard Retainer Cap – Steel, black oxide finish. Piston – Stainless steel. Handguard – Reinforced polymer composite, black. Kit contains piston assembly, gas block, one-piece bolt carrier, handguard, handguard retainer, and install

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Brownells
$389.99 See It
Ar-15/M16 Gas Piston Conversion Kit - Gas Piston Conversion Kit, Rifle

Kit has everything you need to replace the standard gas system in your AR-15 and convert it to a reliable, positive-cycling, gas piston system. Eliminates venting of hot gases and powder residue into the bolt carrier and receiver for reduced fouling and less wear on the action. Feeds more smoothly, maintenance is easier, and the gun runs cooler, too. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling and reduced felt recoil. Easy to adjust for three levels of gas release: normal fire, firing with a suppressor attached, or a single round fired without cycling. Picatinny rail on the gas block provides mounting space for a variety of Mfg: Adams Arms SPECS: Gas Block, Piston Tube, Bolt Carrier, Handguard Retainer Cap – Steel, black oxide finish. Piston – Stainless steel. Handguard – Reinforced polymer composite, black. Kit contains piston assembly, gas block, one-piece bolt carrier, handguard, handguard retainer, and install

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Brownells
$288.99 See It
Ar-15/M16 Tactical Elite Piston Upper Receivers - Gas Piston Upper Receiver, Pistol

Complete Tactical Elite upper receiver assembly comes ready to install on mil-spec lower receiver to produce a reliable, positive-cycling gas piston gun. Adams Arms’ proven piston system doesn’t vent hot gases and burned powder into the bolt carrier and receiver, so the gun runs cooler, with less fouling and wear on the action, and easier maintenance. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling, smoother feeding, and reduced felt recoil. The receiver is forged from 6061 T6 aluminum and features M4 feed ramp cuts and a 13-slot Picatinny-cut flattop rail. The adjustable gas block allows three levels of gas rel Mfg: Adams Arms SPECS: Receiver/Pistol Handguards – 6061 T6 aluminum, hardcoat anodized, black. Barrel – Chrome-moly steel, Melonite coated, matte black. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Pistol – 7.5" (19cm) b

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Brownells
$735.00 See It
Ar-15 .22lr M4 & Lightweight Upper Receivers - Ar-22 Lt Upper Receiver

Dedicated .22 LR flattop upper lets you do live-fire training with affordable rimfire ammo while retaining the weight, balance, and feel of your rifle. Replace your existing upper with the AR-22, load the included Black Dog .22 LR magazine, and you’re ready to shoot. You practice with your existing trigger and fire control components, so the trigger pull feels the same. The mil-spec receiver has a standard MIL-STD 1913 Picatinny rail, charging handle, forward assist (non-functioning), and ejection port cover. Inside, the standard bolt/carrier assembly is replaced by a dedicated “bolt rail” of hardened tool steel with a blowback operated stainless steel bolt inside. Both com Mfg: Tactical Solutions, Llc SPECS: Receiver – 7075 T6 aluminum, hardcoat anodized, matte black. .250" pivot/takedown pin holes. Bolt – Heat-treated 416 stainless steel. Bolt Rail – Tool steel. Magazine – Injection-molded polycarbonate, translucent smoke. 26-round capacity. M4 – 24" (61cm

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Brownells
$599.99 See It
Ar-15 .22lr M4 & Lightweight Upper Receivers - Ar-22 M4 Upper Receiver

Dedicated .22 LR flattop upper lets you do live-fire training with affordable rimfire ammo while retaining the weight, balance, and feel of your rifle. Replace your existing upper with the AR-22, load the included Black Dog .22 LR magazine, and you’re ready to shoot. You practice with your existing trigger and fire control components, so the trigger pull feels the same. The mil-spec receiver has a standard MIL-STD 1913 Picatinny rail, charging handle, forward assist (non-functioning), and ejection port cover. Inside, the standard bolt/carrier assembly is replaced by a dedicated “bolt rail” of hardened tool steel with a blowback operated stainless steel bolt inside. Both com Mfg: Tactical Solutions, Llc SPECS: Receiver – 7075 T6 aluminum, hardcoat anodized, matte black. .250" pivot/takedown pin holes. Bolt – Heat-treated 416 stainless steel. Bolt Rail – Tool steel. Magazine – Injection-molded polycarbonate, translucent smoke. 26-round capacity. M4 – 24" (61cm

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Brownells
$579.99 See It
Ar-15/M16 Tactical Elite Piston Upper Receivers - Gas Piston Upper Receiver, Pistol Extended Rail

Complete Tactical Elite upper receiver assembly comes ready to install on mil-spec lower receiver to produce a reliable, positive-cycling gas piston gun. Adams Arms’ proven piston system doesn’t vent hot gases and burned powder into the bolt carrier and receiver, so the gun runs cooler, with less fouling and wear on the action, and easier maintenance. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling, smoother feeding, and reduced felt recoil. The receiver is forged from 6061 T6 aluminum and features M4 feed ramp cuts and a 13-slot Picatinny-cut flattop rail. The adjustable gas block allows three levels of gas rel Mfg: Adams Arms SPECS: Receiver/Pistol Handguards – 6061 T6 aluminum, hardcoat anodized, black. Barrel – Chrome-moly steel, Melonite coated, matte black. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Pistol – 7.5" (19cm) b

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Brownells
$699.60 See It
Ar-15/M16 5.56 16'''' Basic Piston Upper Receivers - Gas Piston Upper Receiver, Midlength

Complete Base upper receiver assembly comes ready to install on mil-spec lower receiver to produce a reliable, positive-cycling gas piston gun. Adams Arms’ proven piston system doesn’t vent hot gases and burned powder into the bolt carrier and receiver, so the gun runs cooler, with less fouling and wear on the action, and easier maintenance. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling, smoother feeding, and reduced felt recoil. The receiver is forged from 6061 T6 aluminum and features M4 feed ramp cuts and a 13-slot Picatinny-cut flattop rail. The adjustable gas block allows three levels of gas release: norm Mfg: Adams Arms SPECS: Receiver  – 6061 T6 aluminum, hardcoat anodized, black. Barrel – Chrome-moly steel, Melonite coated, matte black. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Carbine – 16" (40.6cm) barrel, Par

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Brownells
$611.83 See It
Ar-15/M16 Evo Ultralite Upper Receivers - Evo Ultralite Upper, Carbine-Length

The Evo Ultralite upper combines Adams Arms’s proven gas piston operating system with a small-contour barrel and the lightweight Samson Evolution handguard system for a gun that’s easy to carry for extended periods. This is a complete upper, ready to snap onto the lower of your choice. Adjustable piston-driven system keeps gas and residue from being blown into the action, so bolt and receiver stay cleaner, reducing malfunctions related to fouling. The skinny 16" barrel is chambered in 5.56mm NATO with an Adams Arms compensator to control muzzle rise so the Evo’s light weight doesn’t mean you have to cope with more felt recoil or sacrifice speed of follow up sh Mfg: Adams Arms SPECS: 6061 T6 aluminum receiver and handguard, Type III hardcoat anodized, matte black, with dry-film lubricant coating. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Barrel – Chrome-moly steel, Melonite® hardcoated, matte black

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Brownells
$888.99 See It
Ar-15 Gas System Kit - Carbine Gas System Kit

The essential parts you need to repair and maintain rifle and carbine gas systems. Ideal for emergency repairs, or use to build a new rifle. Includes gas tube, roll pin, bolt carrier key and screws, plus three gas rings.  Mfg: Dpms SPECS: Stainless steel gas tube and gas rings. Remaining parts steel, black, matte finish.

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Brownells
$29.99 See It
Ar-15/M16 5.56 16'''' Basic Piston Upper Receivers - Gas Piston Upper Receiver, Carbine

Complete Base upper receiver assembly comes ready to install on mil-spec lower receiver to produce a reliable, positive-cycling gas piston gun. Adams Arms’ proven piston system doesn’t vent hot gases and burned powder into the bolt carrier and receiver, so the gun runs cooler, with less fouling and wear on the action, and easier maintenance. Short-stroke piston shaft eliminates concussive gas expansion in the upper receiver for less violent cycling, smoother feeding, and reduced felt recoil. The receiver is forged from 6061 T6 aluminum and features M4 feed ramp cuts and a 13-slot Picatinny-cut flattop rail. The adjustable gas block allows three levels of gas release: norm Mfg: Adams Arms SPECS: Receiver  – 6061 T6 aluminum, hardcoat anodized, black. Barrel – Chrome-moly steel, Melonite coated, matte black. Gas Block, Piston Tube, Bolt Carrier – Steel, black oxide finish. Piston – Stainless steel. Carbine – 16" (40.6cm) barrel, Par

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Brownells
$588.99 See It
Ar-15 Gas System Kit - Rifle Gas System Kit

The essential parts you need to repair and maintain rifle and carbine gas systems. Ideal for emergency repairs, or use to build a new rifle. Includes gas tube, roll pin, bolt carrier key and screws, plus three gas rings.  Mfg: Dpms SPECS: Stainless steel gas tube and gas rings. Remaining parts steel, black, matte finish.

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Brownells
$29.99 See It
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