1 to 20 of  140 products for m4 carbine for sale

Result for "m4 carbine for sale"
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.

more >>
Brownells
$17.99 See It
Ar-15/M16 5.56 Carbine Barrels - 16'''' Ar Barrel Threaded 1:7

Chrome-lined, 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 oxide finish. Chrome-lined bore and chamber. 16.5" OAL. .750" O.D. at gas block. Muzzle threaded ½" x 28. 1-7" rifling twist rate.

more >>
Brownells
$194.99 See It
Moe-Sl Stocks - Ar-15/M16 Moe-Sl Mil-Spec Carbine Stock, Black

The MOE SL Stock – Mil-Spec Model is a drop-in replacement buttstock for AR15/M4 carbines using mil-spec sized receiver extension tubes. Designed for the modern battlefield, the sleek profile, dual-side release latches, rolled toe, and angled rubber butt-pad is optimized for use with body armor or modular gear and provides for efficient shoulder transitions. Features Mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, LMT, Ruger, S&W, SIG, and others (please see the note below) Sloping cheek weld combines a slim profile with user comfort Dual-side release latch provides easy adjustment while remaining a Mfg: Magpul SPECS: Length, Maximum: 7.2 in. LOP Adjustment Range: 3.3 in. LOP, M4 Collapsed: 11.1 in. LOP, M4 Extended: 14.4 in. NOTE: There are two basic sizes of M4 Carbine receiver extensions (buffer tubes): mil-spec and commercial-spec. * Specifications based on standard-length (flat-back) M4 Ca

more >>
Brownells
$56.95 See It
Ar-15/M16 Base 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

more >>
Brownells
$588.99 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. The 16” barrels are available with a carbine or mid-length gas s Mfg: Daniel Defense

more >>
Brownells
$289.00 See It
Ar-15/M16 223 Wylde Match Barrels - 16'''' Mid-Length Carbine Barrel -11%

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

more >>
Brownells
$269.99 $239.99 See It
Ar-15/M16 Moe-Sl Carbine Length Hand Guard - Moe-Sl Carbine Length Hand Guard, Black

The MOE SL Hand Guard for AR15/M4 firearms with carbine-length gas system and A2 font sight* provides modular flexibility with M-LOK accessory slots in a lightweight, sleek, cost effective design. Designed with versatility in mind, M-LOK slots at the two, six, and ten o'clock positions allow the attachment of optional Picatinny rail sections and other direct-attach accessories for the mounting of tactical lights, slings, grips, etc. Reinforced, heat-resistant polymer construction provides operational durability without the weight and expense of an aluminum rail hand guard. Large front extensions and lower lip provides additional operator protection from hot front sight assembly. Mfg: Magpul

more >>
Brownells
$33.20 See It
Ar-15/M16 Stock Completion Kits - Mil-Spec Adj. Carbine Stock Completion Kit

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. Kits available for the four standard buttstock types. A1 rifle kit contains receiver extension tube, recoil buffer, recoil buffer spring, and buttstock cap screw. 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 rin 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.

more >>
Brownells
$69.99 See It
Ar-15/M16 5.56 Hammer Forged Carbine Barrel - 16'''' 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

more >>
Brownells
$279.99 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

more >>
Brownells
$259.99 See It
Ar-15/M16 5.56 Hammer Forged Barrels - 12.5'''' 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. The 16” barrels are available with a carbine or mid-length gas s Mfg: Daniel Defense

more >>
Brownells
$289.00 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. The 16” barrels are available with a carbine or mid-length gas s Mfg: Daniel Defense

more >>
Brownells
$289.00 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 ambi 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-length sto 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

more >>
Brownells
$199.99 See It
Ar-15/M16 223 Wylde Chrome Lined Barrels - 16'''' Hybrid Contour, Carbine Gas System, 223 Wylde -11%

Chrome-lined, button rifled barrels feature 223 Wylde chambers and 1-8" twist for enhanced accuracy potential with both .223 and 5.56 NATO ammunition. Unique chrome-lining process maintains uniformity throughout the bore and hand-lapping helps ensure smooth, consistent lands and grooves. Gas ports are optimized for barrel length and chambering to help ensure reliable cycling, and are available for carbine, mid-length, and rifle gas systems. Also features 1/2"-28 tpi muzzle threads for standard comps and flash hiders, plus M4 feed ramps on barrel extension to aid in smooth, reliable feeding, Hybrid contour barrels have a reduced and tapered contour under the handguard to save wei Mfg: Criterion Barrels Inc Length – 16, 18, or 20 inch. Profile – Hybrid or HBAR (18” & 20” only). Gas system – Carbine or Mid-Length (16”). Rifle (18” & 20”). Chamber - 223 Wylde. Finish - Parkerized. Chrome lined. Construction - 4140/50 Chrome Moly Steel. Hand Lappe

more >>
Brownells
$269.99 $239.99 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. The 16” barrels are available with a carbine or mid-length gas s Mfg: Daniel Defense

more >>
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.

more >>
Brownells
$42.99 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
KJW KCO2 10/22 Gas Carbine

KJW KC02 10/22 Airsoft Gas Carbine Rifle Specifications: - Velocity: 420 fps (0.2 g BB) / Range 180-200 feet- Barrel Length: 16 inches / 41 cm - Magazine Capacity: 22 Rounds Features: - Semi Auto Only - Integrated Quad Rails- Detachable Iron Sights - Retractable M4 Style Stock - Airsoft Gun Review and Video Review Available - Click More Info - Made in Taiwan

more >>
AirSplat
$249.99 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.

more >>
Brownells
$15.99 See It
M4 R20 Tactical Carbine AEG Metal

Well M4 R20 Tactical Carbine AEG Metal Specifications: - 400 FPS (0.2 g BB) / Range 180-190 Feet - Barrel Length: 12 inches / 30 cm - Magazine Capacity: 300 Rounds Features: - Removable Carry Handle - Full Metal Receivers - Battery and Charger Included

more >>
AirSplat
$164.99 See It
Search within results