1 to 20 of  76 products for m4 carbine for sale

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Ar-15/M16/M4 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. Both M4 and 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. All models fit 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. Skinny – Approx. 2¼” O.D. at rear tapering to 2” (5.1c

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Brownells
$15.99 See It
7" Carbine/M4 Drop In Rail - BLK

Manufacturer: Troy Industries Manufacturer Part Number: SRAI-MRF-D7BT-00 UPC: 812699010365 Type: Parts More Info: BlackThe Troy Drop In Rail is a non free floating direct replacement for all M4/AR15 carbine length plastic hand guards. The Troy Patented clamping design ensures a solid mounting platform. The Drop In provides a true optical mounting platform that increases the modularity and accuracy of the M4. No gunsmithing is required and the unit installs in less than a minute. Provides true U.S. Military Specification M1913 rails at 12-3-6 and 9 o'clock. All rail systems are machined from T6061 hardened aircraft aluminum and finished in MIL-STD Type III Hard Coat Anodizing - Black - 7"

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Sportsman's Logistics
$149.00 See It
Intrafuse AR Carbine Handguard   10229089

Replacement handguard for AR15 and M4 Carbine platforms Durable, high strength composite handguard - half the weight of a typical aluminum handguard Composite construction stays cooler as shooting heats up Handguard features Picatinny rails molded into it for easy accessory attachment Removable covers on side and bottom rails Cut the weight of your high performance AR rifle dramatically by replacing its aluminum handguard with a new TAPCO Intrafuse AR Carbine Handguard. Half the weight of a typical aluminum AR handguard, this lightweight, high strength composite handguard provides the lightweight durability you want from your gun's handguard with four Picatinny rails molded into it for easy accessory attachment. The side and bottom rails feature removable covers, giving you the option of deciding which ones you want to use and which ones you want to keep hidden. The durable composite construction also produces a handguard that stays much cooler during frequent shooting. Fits the AR15 and M4 Carbine platforms. Weight:.55 lbs. Manufacturer model STK09301.

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Bass Pro Shops
$39.99 See It
Ace M4 Socom Stock - 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

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Brownells
$199.99 See It
7" Carbine/M4 Drop In Rail - FDE

Manufacturer: Troy Industries Manufacturer Part Number: SRAI-MRF-D7FT-00 UPC: 812699010372 Type: Parts More Info: Flat Dark EarthThe Troy Drop In Rail is a non free floating direct replacement for all M4/AR15 carbine length plastic hand guards. The Troy Patented clamping design ensures a solid mounting platform. The Drop In provides a true optical mounting platform that increases the modularity and accuracy of the M4. No gunsmithing is required and the unit installs in less than a minute. Provides true U.S. Military Specification M1913 rails at 12-3-6 and 9 o'clock. All rail systems are machined from T6061 hardened aircraft aluminum and finished in MIL-STD Type III Hard Coat Anodizing - Flat Dark Earth - 7"

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Sportsman's Logistics
$149.00 See It
Troy Drop-In M4 Battlerail

A convenient, nonfreefloating drop-in replacement for plastic carbine-length handguards. Mil-spec aluminum construction features Picatinny rails at the twelve, three, six and nine oclock positions. The rails provide multiple accessory mounting

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Cabelas
$149.99 See It
MOE Carbine Stock - Mil-Spec Model   1212181636

Weight: 0.50 lb.Weight, w/ Rec. Extension: 0.75 lb.Length, Maximum: 6.90 in.LOP Adjustment Range: 3.25 in.LOP, M4 Collapsed: 10.70 in.LOP, M4 Extended: 13.95 in.Sling Mounts: Rear/Bottom - 1.25" sling loopsToe - Lanyard hole for custom para-cord rigsMagpul MOE Carbine Stock ? Mil-Spec Model is a drop-in replacement buttstock for AR15/ M16 carbines using mil-spec sized receiver extension tubes. The MOE Carbine Stock mounts on mil-spec sized carbine receiver extension tube (not included) from manufacturers such as Colt, Armalite, S&W, LMT, and others (please see the note below). Designed for light, fast action, the streamlined A-frame profile avoids snagging and shields the release latch to prevent accidental activation. The Mil-Spec Model includes a standard 0.30" rubber butt-pad which provides positive shoulder purchase to prevent slippage even with body armor or modular gear. Sloping cheek weld combines a slim profile for user comfort. Shielded release latch prevents snagging and accidental operation. Premium chrome-silicon lock spring provides positive locking and long service life. Side mounting slots accept optional cheek risers for NON-AR15/ M16 applications. Removable 0.30" Rubber Butt-Pad offers an anti-slip surface and increases impact protection. Compatible with Magpul ASAP? and other receiver-mount sling attachments. Made in USA.

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Bass Pro Shops
$64.99 See It
M4-LE Upper 300 AAC BO 16" Sight

Manufacturer: CMMG, Inc Manufacturer Part Number: 30BF8C0 UPC: 815835010830 Type: Parts16" 300 AAC BLACKOUT Upper Specifications: - Carbine Length Handguard - F-Marked Front Sight Base - Carbine Length Gas System - Flat-top A3 Upper Receiver - Compatible with standard AR15 lowers - 16" Barrel - 1:8 Twist - 5/8x24 Threaded A2 Style Flash Hider - Chambered in 300 AAC Blackout

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Sportsman's Logistics
$689.99 See It
Young Mfg. M4 Carbine Quad HG Free Float

Manufacturer: Ergo Manufacturer Part Number: 4860-YM UPC: 874748004466 Type: Parts More Info: Quad, M4 CarbineThe Young Manufacturing M4 Carbine Free Float Quad-Rail Handuard is a one-piece, solid aluminum hand guard with four Picatinny rails. Features: - One piece solid aluminum rail hand guard - Comes with alum nut and steel lock ring Color: Black

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Sportsman's Logistics
$152.50 See It
Ar-15/M16 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. Available drilled for either Carbine or Mid-Length gas system (indicated in table below). M4 Carbine barrel replicates the USGI M4 barrel profile. Lightweight barrel offers a slimmer profile than the M4 Carbine barrel, with .750" OD at the gas block. Government barrel is slim under the handguard, with standard .750" O.D. at the gas block. Mfg: Daniel Defense SPECS: 4150 chome-moly-vanadium steel, manganese phosphate finish, matte black. All models have .750" O.D. at the gas block. All models have ½"-28 tpi muzzle threads, except 300 blackout and 6.8 SPC, which has 5/8"-24 tpi threads.  All NFA rules apply.

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Brownells
$289.00 See It
Carbine Barrels - Standard 16'''' A1 Barrel

Ready-to-install barrels let you customize your AR-15/M16/M4/CAR-15 or replace a “shot-out” factory barrel with one that preserves your gun’s original specs and appearance. Machined from 4140 steel, with a dark gray, military-type Parkerized finish. Button-cut, six groove rifling with 1:9 right-hand twist provides superb accuracy with most bullet weights. Barrel extension has M4-type feed ramps to help ensure smooth feeding and prevent jams. Barrel nut and handguard retainer cap included. Forged front sight housing has integral bayonet lug, and muzzle is threaded to accept the flash hider or compensator of your choice. Choose from Chrome Lined for maximum bore life or Stand Mfg: Double Star SPECS: 4140 steel, dark gray Parkerized finish. A1 - .675" (1.71cm) OD under handguard, .625" (1.59cm) at front sight housing, ½"-28 tpi threaded muzzle with .600" (1.52cm) dia. shoulder behind threads. HBAR - .870" ( 2.21cm) OD under handguard, .750" (1.91cm) at

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Brownells
$199.99 See It
Ar-15/M16/M4 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. Both M4 and 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. All models fit 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. Skinny – Approx. 2¼” O.D. at rear tapering to 2” (5.1c

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Brownells
$17.99 See It
Carbine Barrels - Chrome Lined 16'''' Hbar Barrel -19%

Ready-to-install barrels let you customize your AR-15/M16/M4/CAR-15 or replace a “shot-out” factory barrel with one that preserves your gun’s original specs and appearance. Machined from 4140 steel, with a dark gray, military-type Parkerized finish. Button-cut, six groove rifling with 1:9 right-hand twist provides superb accuracy with most bullet weights. Barrel extension has M4-type feed ramps to help ensure smooth feeding and prevent jams. Barrel nut and handguard retainer cap included. Forged front sight housing has integral bayonet lug, and muzzle is threaded to accept the flash hider or compensator of your choice. Choose from Chrome Lined for maximum bore life or Stand Mfg: Double Star SPECS: 4140 steel, dark gray Parkerized finish. A1 - .675" (1.71cm) OD under handguard, .625" (1.59cm) at front sight housing, ½"-28 tpi threaded muzzle with .600" (1.52cm) dia. shoulder behind threads. HBAR - .870" ( 2.21cm) OD under handguard, .750" (1.91cm) at

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Brownells
$269.99 $219.00 See It
Carbine Barrels - Chrome Lined 16'''' A1 Barrel

Ready-to-install barrels let you customize your AR-15/M16/M4/CAR-15 or replace a “shot-out” factory barrel with one that preserves your gun’s original specs and appearance. Machined from 4140 steel, with a dark gray, military-type Parkerized finish. Button-cut, six groove rifling with 1:9 right-hand twist provides superb accuracy with most bullet weights. Barrel extension has M4-type feed ramps to help ensure smooth feeding and prevent jams. Barrel nut and handguard retainer cap included. Forged front sight housing has integral bayonet lug, and muzzle is threaded to accept the flash hider or compensator of your choice. Choose from Chrome Lined for maximum bore life or Stand Mfg: Double Star SPECS: 4140 steel, dark gray Parkerized finish. A1 - .675" (1.71cm) OD under handguard, .625" (1.59cm) at front sight housing, ½"-28 tpi threaded muzzle with .600" (1.52cm) dia. shoulder behind threads. HBAR - .870" ( 2.21cm) OD under handguard, .750" (1.91cm) at

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Brownells
$269.99 See It
Carbine Buffer Spring

Stainless steel carbine buffer spring manufactured to MIL-S-1357 specification for replacement on rifles with M4-type receiver extension tube for collapsible carbine buttstock. Replace a fatigued spring, or use as part of the rifle-to-carbine stock conversion. Cold drawn to ASTM A313 standard for heat- and corrosion-resistance, and case hardened for improved resistance to surface wear. Mfg: Dpms SPECS: 631 stainless steel. Fits AR-15/M16 rifles chambered in .223/5.56mm with M4-type receiver extension for collapsible buttstock.

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Brownells
$4.29 See It
Ar-15/M16 Carbine Recoil Buffers - St-T1 Standard 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
$34.99 See It
Ar-15/M16 Carbine Recoil Buffers - St-T2 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
$39.99 See It
Carbine Barrels - Chrome Lined 11-1/2'''' Hbar Barrel

Ready-to-install barrels let you customize your AR-15/M16/M4/CAR-15 or replace a “shot-out” factory barrel with one that preserves your gun’s original specs and appearance. Machined from 4140 steel, with a dark gray, military-type Parkerized finish. Button-cut, six groove rifling with 1:9 right-hand twist provides superb accuracy with most bullet weights. Barrel extension has M4-type feed ramps to help ensure smooth feeding and prevent jams. Barrel nut and handguard retainer cap included. Forged front sight housing has integral bayonet lug, and muzzle is threaded to accept the flash hider or compensator of your choice. Choose from Chrome Lined for maximum bore life or Stand Mfg: Double Star SPECS: 4140 steel, dark gray Parkerized finish. A1 - .675" (1.71cm) OD under handguard, .625" (1.59cm) at front sight housing, ½"-28 tpi threaded muzzle with .600" (1.52cm) dia. shoulder behind threads. HBAR - .870" ( 2.21cm) OD under handguard, .750" (1.91cm) at

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Brownells
$269.99 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
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
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