1 to 20 of  161 products for m4 carbine for sale

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Ar-15/M16 Limsaver Carbine Recoil Pad - Limbsaver Carbine Recoil Pad

Synthetic rubber recoil pad slips over the hard plastic buttplate on an M4-type adjustable carbine stock for secure, non-slip shouldering and as much as 70% reduction in felt recoil. Made from proprietary NAVCOM shock-absorbing material that won't crack, split, or take a "set." Spreads recoil over a larger area and prevents the stock from digging into your shoulder during long periods in the ready position. Improves weapon control and reduces muzzle jump to aid in fast, accurate follow-up shots. Secure snap-on design for quick installation and removal. Mfg: Sims Vibration Laboratories SPECS: NAVCOM synthetic material, black. 5¼" (13.3cm) high, 2" (5.1cm) wide. Fits M4-type adjustable carbine stocks with buttplate up to 5-3/16" (13.2cm) high x 1-7/8" (4.8cm) wide. Adds .750 inch to overall length of M-4 stock.

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Brownells
$37.99 See It
Ar-15/M16 5.56 16'''' M4 Barrel - Ar-15/M16 5.56 16'''' M4 Barrel Carbine Length

The Anderson Manufacturing M4 16" 5.56x45mm barrel features the classic M4 profile, for weight savings & parts commonality. The barrel has a 1-8 twist, for excellent performance with a variety of ammunition. Muzzle is threaded ½-28 for compatibility with a wide range of muzzle devices. Finish is matte black parkerized, for superior corrosion resistance. Barrel features a carbine length gas system and is .750" at the gas block. Barrel is chambered for 5.56x45mm NATO and has M4 feed ramps. The bore and chamber are non-chrome lined. Mfg: Anderson Manufacturing SPECS: Fits - AR-15 or M16 rifles. Chamber - 5.56x45mm NATO. Length - 16". Finish - Black Parkerized. Gas System Length - Carbine. Muzzle Threads - 1/2-28. Weight - 1.82 lbs.

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Brownells
$99.99 See It
Ar-15/M16 5.56 Carbine Barrels - 16'''' Ar Barrel Threaded 1:7

Black nitride, carbine-length barrels are chambered for 5.56mm NATO and have 1-7" rifling that helps stabilize heavy bullets. Exterior is sized to accept a .750" gas block, with the gas port positioned for a carbine-length gas system. Threaded ½"-28 tpi muzzle accepts a standard AR-15/M16 flash suppressor or muzzle brake. Pre-installed barrel extension has M4 feed ramp cuts that aid in reliable feeding. Fluted model has distinctive diamond cuts on the exterior that reduce weight, enhance rigidity, and give your rifle a unique custom look. Also provides extra surface area to aid in cooling the barrel. Mfg: Yankee Hill Machine Co., Inc. SPECS: 4140 carbon steel, heat treated to Rc 25-32, matte black nitride finish. 16.5" OAL. .750" O.D. at gas block. Muzzle threaded ½" x 28. 1-7" rifling twist rate.

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Brownells
$194.99 See It
Ar-15/M16 5.56 Carbine Barrels - 16'''' Ar Barrel Threaded, Fluted 1:7

Black nitride, carbine-length barrels are chambered for 5.56mm NATO and have 1-7" rifling that helps stabilize heavy bullets. Exterior is sized to accept a .750" gas block, with the gas port positioned for a carbine-length gas system. Threaded ½"-28 tpi muzzle accepts a standard AR-15/M16 flash suppressor or muzzle brake. Pre-installed barrel extension has M4 feed ramp cuts that aid in reliable feeding. Fluted model has distinctive diamond cuts on the exterior that reduce weight, enhance rigidity, and give your rifle a unique custom look. Also provides extra surface area to aid in cooling the barrel. Mfg: Yankee Hill Machine Co., Inc. SPECS: 4140 carbon steel, heat treated to Rc 25-32, matte black nitride finish. 16.5" OAL. .750" O.D. at gas block. Muzzle threaded ½" x 28. 1-7" rifling twist rate.

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Brownells
$214.99 See It
Ar-15/M16 Carbine Mil-Spec Buttstock Kit - Ar15 M4 Stock Assembly Mil-Spec -17%

Collapsible buttstock similar to the current US GI M4 carbine stock provides convenient six-position length-of-pull adjustment to fit different-size shooters, including those wearing body armor. Ready to install on any standard AR-15 rifle or carbine lower receiver; includes buffer tube, receiver lock plate, lock nut, toe-mounted steel sling loop, carbine recoil spring and buffer. Buttstock is made from extremely tough, fiberglass-reinforced, injection-molded nylon to resist impact, heat, moisture, extreme cold, and most cleaning solvents. Steel lock nut has four square notches and pre-cut detents for staking to lock plate. Available with Mil-Spec (nominal 1.14" O.D.) receiver extens Mfg: Brownells SPECS: Aluminum and fiberglass-reinforced, injection-molded nylon, matte black. 8¾" (22.2cm) OAL collapsed; 11¾" (29.9cm) OAL fully extended

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Brownells
$59.99 $49.99 See It
Ar-15/M16 223 Wylde Match Barrels - 16'''' Mid-Length Carbine Barrel

Precision-machined stainless steel barrels feature a .223 Wylde chamber that helps maximize the long-range performance of your AR-15 with both .223 Remington and 5.56x45mm NATO ammunition. With 6-groove, 1-7" button rifling for accuracy and M4-type feed ramps for reliable feeding, these barrels help you reach out to distant targets with issued or magazine-length ammunition. The 18" barrels offer the Special Purpose Rifle (SPR) profile designed to optimize accuracy out to 600 meters, and are available with Mid-Length or Rifle-Length gas systems. SDM barrel features a heavy, fluted profile under the handguards, for added strength and rigidity. Threaded muzzle accepts a varie Mfg: White Oak Armament SPECS: Stainless steel, natural finish. .750" (1.9cm) O.D. at gas port. Barrel extension .999" (2.5cm) O.D. 6-groove, 1-7" rifling. Muzzle threads: ½"-28 tpi. 16" Carbine - 2 lbs. 2oz. (963g). 18" Mid-Length/Rifle - 2 lbs. 9oz. (1.1kg).SDM

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Brownells
$269.99 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
$529.99 See It
Ar-15/M16 5.56 Hammer Forged Barrels - 10.3'''' Government Carbine 5.56 Barrel, 1-7 Twist

These barrels are cold hammer-forged from high-grade chromium-molybdenum-vanadium alloy steel for exceptional strength and accuracy potential-like a high-end match rifle barrel. Magnetic particle inspection (MPI) ensures there are no internal flaws in the metal. Durable manganese phosphate finish give excellent resistance to surface wear. Barrel extension has M4-type feed ramps. Choose caliber, profile, length, and Old Style .625" gas block/sight base option to fit your needs. 5.56x45 barrels come in 10.5", 14.5" and 16" lengths, with the shorter barrels featuring carbine length gas system. Barrels are available in lightweight or government contours, and M4 fo Mfg: Daniel Defense

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Brownells
$289.00 See It
Ar-15/M16 Carbine Recoil Buffers - St-T3 Extra-Heavy Buffer

Machined aluminum recoil buffer comes in three weights, so you can select the buffer that gives the best combination of recoil control and reliability in your carbine with an M4-type adjustable stock. All have a mil-spec polyurethane bumper, durable hard-anodized finish, and the Spike's logo. ST-T1 is a standard-weight (3 oz.) buffer filled with low-density tungsten powder (LDTP) that eliminates the noise and shock caused by the hard reciprocating weights found in the original-style factory buffer. Aids in smoother cycling and helps minimize bolt bounce. ST-T2 is filled with high-density tungsten powder (HDTP) for extra weight (4.1 oz.) behind the carrier to reduce cycle rate. Help you Mfg: Spikes Tactical SPECS: Aluminum, hardcoat anodized, black. Polyurethane bumper. 3¼" (8.2cm) long. ST-T1 3 oz. (85g) wt.; ST-T2 - 4.1 oz. (117g) wt.; ST-T3 5.4 oz. (153g) wt. Fits AR-15 carbines with M4-type collapsible stock only.

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Brownells
$42.99 See It
Ar-15/M16 M4 Socom Buttstock - M4 Socom Carbine Stock

Tactical carbine stock features two full inches of length adjustment. Quick-release button switches the stock length to five different positions. Soft foam cover on tube provides a comfortable cheekweld. Also features three 1 ½" wide sling slots, a rubber recoil pad, and a receiver end plate with ambidextrous attachment points for HK-style single-point clip-on slings. There's even a machined-in hammer on the butt for breaching doors and hand-to-hand combat. Precision machined from a solid, heat-treated, aluminum billet for superb durability and strength. Quick release button can be replaced with the included machine screw to convert it into a rock-solid, fixed-le Mfg: Double Star SPECS: 6061-T6 heat-treated, aircraft grade aluminum, Type 3, mil. spec. hard-anodized, matte finish. Includes ½" thick, rubber recoil pad and screws. Carbine - 7½" (19cm) OAL collapsed, extends to 9½" (24cm) OAL. 10½" (27cm) L.O.P. collapsed, exten

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Brownells
$199.99 See It
Ar-15/M16 5.56 Hammer Forged Carbine Barrel - 14-1/2'''' Optimum Carbine Barrel

These carbine barrels are hammer forged for Spike's by FN, and are chrome lined and finished to M-249 specs for durability. Magnetic particle inspected (MPI) and high pressure tested (HPT) to ensure superb quality. Both models drilled for a mid-length gas system for extra reliability, with a slimmed-down profile between the barrel extension and gas port to save weight. Barrel extension has M4 feed ramp cuts. 16" is slimmer at muzzle than standard carbine barrel. 14½" Optimum provides even more weight savings and minimum length for fast deployment and quick maneuverability. All NFA rules apply. Mfg: Spikes Tactical SPECS: Chrome-moly-vanadium steel, manganese phosphate finish, matte black. Muzzle threads: ½"-28 tpi. Chambered in 5.56 NATO with 1-7" twist rifling. 16"- 16½" (40.6cm) O.A.L. Barrel tapers from .680" to .655" (17.2mm to 16.6mm) under handguard. .750&q

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Brownells
$259.99 See It
Ar-15/M16 5.56 Hammer Forged Barrels - 14.5'''' M4 Carbine 5.56 Barrel, 1-7 Twist

These barrels are cold hammer-forged from high-grade chromium-molybdenum-vanadium alloy steel for exceptional strength and accuracy potential-like a high-end match rifle barrel. Magnetic particle inspection (MPI) ensures there are no internal flaws in the metal. Durable manganese phosphate finish give excellent resistance to surface wear. Barrel extension has M4-type feed ramps. Choose caliber, profile, length, and Old Style .625" gas block/sight base option to fit your needs. 5.56x45 barrels come in 10.5", 14.5" and 16" lengths, with the shorter barrels featuring carbine length gas system. Barrels are available in lightweight or government contours, and M4 fo Mfg: Daniel Defense

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Brownells
$289.00 See It
Ar-15/M16 Carbine Commercial Buttstock Kit - Ar-15/M16/M4 Collapsible Buttstock

Collapsible buttstock similar to the current USGI M4 carbine stock provides convenient six-position length-of-pull adjustment to fit different-size shooters, including those wearing body armor. Ready to install on any standard AR-15 rifle or carbine lower receiver; includes 1.17'''' diameter commercial buffer tube, receiver lock plate, lock nut, toe-mounted steel sling loop, carbine recoil spring and buffer. Convert a fixed-stock, flattop rifle to M4 carbine configuration without permanent alterations to gun. Buttstock made from extremely tough, fiberglass-reinforced, injection-molded nylon that resists impact, heat, moisture, extreme cold, and most cleaning solvents. Stock interior diameter is Mfg: Brownells SPECS: Aluminum and fiberglass-reinforced, injection-molded nylon, matte black. 8¾ (22.2cm) OAL collapsed; 11¾ (29.9cm) OAL fully extended.

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Brownells
$79.99 See It
Ar-15/M16 Carbine Handguard - M4 Carbine Handguard, Single Shield

Snap-on USGI-type replacement for your carbine's factory-original handguard is made of tough, fiberglass-reinforced, injection-molded polymer that delivers superior impact and abrasion resistance. The ridged gripping surface and top/bottom vent holes retain the weapon's authentic military look, while an internal heat shield of lightweight aluminum protects your hand from barrel heat. M4 model has standard-issue single-layer heat shield on upper and lower handguard. Fits AR-15/M16/M4 with carbine-length gas system. Mfg: Double Star SPECS: Fiberglass-reinforced polymer, matte black. 6½" (16.5cm) long. Standard Approx. 2½" (6.4cm) O.D. at rear tapering to 2¼" (5.7cm) O.D. at front. Single Heat Shield.

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Brownells
$17.99 See It
Ar-15/M16/M4 Skinny Style Carbine Handguard - Skinny M4 Carbine Handguard

Snap-on USGI-type replacement for your carbine's factory-original handguard is made of tough, fiberglass-reinforced, injection-molded polymer that delivers superior impact and abrasion resistance. The ridged gripping surface and top/bottom vent holes retain the weapon's authentic military look, while an internal heat shield of lightweight aluminum protects your hand from barrel heat. Skinny models have standard-issue single-layer heat shield on upper and lower handguard. Skinny M4 model has narrower diameter for operators who prefer a minimal bulk handguard. Fits AR-15/M16/M4 with carbine-length gas system. Mfg: Double Star SPECS: Fiberglass-reinforced polymer, matte black. 6½" (16.5cm) long. Skinny Approx. 2¼" O.D. at rear tapering to 2" (5.1cm) O.D. at front. Single heat shield only.

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Brownells
$15.99 See It
Ar-15/M16 M4 Carbine Commercial Buttstock Assembly - Stock Assembly, Carbine, M4

AR-15/M16 M4 CARBINE COMMERCIAL BUTTSTOCK ASSEMBLY Mfg: Dpms

Brownells
$79.99 See It
Ar-15/M16/Ar-308 Recoil Buffer - Ar-15 Carbine Stock Recoil Damper

Designed for law enforcement, sportsmen, and competitive shooters alike, these hydraulic buffers help reduce recoil, while diminishing wear and tear on parts. The sealed hydraulic cylinder is made of 17-4 stainless steel and features a nickel-plated cylinder rod with a high-impact striker cap. Hydraulic buffer easily replaces standard mass and spring buffer. Built to Mil-Spec standards, and U.S. Army tested, these buffers have been demonstrated to reduce cyclic rates, helping save ammunition and improve accuracy. Mfg: Kyntec Corporation SPECS: 17-4 stainless steel, sealed hydraulic cylinder. High-impact striker cap. Nickel-plated cylinder rod. AR-15 Carbine Damper - 3.75" OAL. AR-15 Fixed Stock Damper - 6.25" OAL. AR-.308 Shorty Collapsible Stock Damper - 2.75" OAL. Fits DPMS style M-4 .308 stocks that use a 2.5 i

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Brownells
$109.99 See It
Car-15/M4 9mm Carbine Buffer - 9mm Carbine Buffer

9mm Carbine Buffer - Steel, matte black oxide finish. Mfg: Rock River Arms

Brownells
$27.99 See It
Ar-15/M16 5.56 Hammer Forged Barrels - 16'''' Lightweight Carbine 5.56 Barrel, 1-7 Twist

These barrels are cold hammer-forged from high-grade chromium-molybdenum-vanadium alloy steel for exceptional strength and accuracy potential-like a high-end match rifle barrel. Magnetic particle inspection (MPI) ensures there are no internal flaws in the metal. Durable manganese phosphate finish give excellent resistance to surface wear. Barrel extension has M4-type feed ramps. Choose caliber, profile, length, and Old Style .625" gas block/sight base option to fit your needs. 5.56x45 barrels come in 10.5", 14.5" and 16" lengths, with the shorter barrels featuring carbine length gas system. Barrels are available in lightweight or government contours, and M4 fo Mfg: Daniel Defense

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Brownells
$289.00 See It
Ar-15/M16 Moe-Sl Carbine Length Hand Guard - Moe-Sl Carbine Length Hand Guard, Gray

Reinforced, heat-resistant polymer hand guard is designed for carbine length gas systems with the triangular A2 front sight assembly. Easy to install handgaurd is a direct replacement for existing M4 carbine type hand guards and uses the existing delta ring and round front hand guard retaining cap. Slim profile improves weapon manipulation while the large, lower front lip and long side extensions protects the operator's hand from hot sight assembly. Integral riveted aluminum heat shield provides added protection from barrel heat. Versatile handguard features M-LOK slots at the two, six, and ten o'clock positions permits mounting MIL-STD-1913 Picatinny rails or other direct-attac Mfg: Magpul SPECS: Reinforced, heat-resistant polymer, Black, Dark Earth, OD Green, Gray. 8.9" (22.6cm) long, 1.8" (4.6cm) wide, 2.4" (6.1cm) high. 6.7 oz. (190g) wt. Must be used with triangular A2 front sight assembly; not compatible with other gas blocks.

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Brownells
$33.20 See It
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