+1-800-504-5897 Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel 111322 Color: Black, Finish: Chrome Phosphate, 12% Off, Clearance w/ Free Shipping

Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded AR Barrel, 13.9in, Mid Length, 1-8 Twist, 1/2x28, Chrome Phosphate, Black, 111322
Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded AR Barrel, 13.9in, Mid Length, 1-8 Twist, 1/2x28, Chrome Phosphate, Black, 111322
1 of 1 images
Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded AR Barrel, 13.9in, Mid Length, 1-8 Twist, 1/2x28, Chrome Phosphate, Black, 111322

Tap Tap to Zoom

Government Restriction Government Restriction
You May Also Like
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI571BLK-30RD
(61)
List: $24.99 $12.75 Save Up to $1.20
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI556BLK-30RD
(57)
List: $32.43 $17.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI557BLK-30RD
(41)
List: $30.36 $14.75 Save Up to $1.20
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG556-MCT-30RD
(57)
List: $32.55 $17.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 20 Round, Black, 1 Pack, Polymer, MAG560BLK-20RD
(26)
List: $30.79 $14.95 Save Up to $1.00
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Rem/5.56x45mm NATO, 30 Round, Medium Coyote Tan, 1 Pack, Polymer, MAG557-MCT-30RD
(41)
List: $29.95 $14.75 Save Up to $1.20
Best Rated Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
Magpul Industries PMAG GEN M2 MOE AR-15/M16/M4 Rifle Magazine w/Capacity Window, .223 Rem/5.56x45mm NATO, 30 Round, Black, 1 Pack, Polymer, MGMPI570BLK-30RD
(14)
List: $31.04 $15.75 Save Up to $1.20
Best Rated Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
Magpul Industries PMAG GEN M3 AR-15/M16/M4 Rifle Magazine, .223 Remington, 40 Round, Black, 1 Pack, Polymer, MGMPI233BLK-40RD
(13)
List: $42.33 $22.45 Save Up to $1.50
Blazin' Deal TRYBE Defense Muzzle Brake .223/5.56, 1/2x28, Black, TRBDMZBK20-BK
TRYBE Defense Muzzle Brake .223/5.56, 1/2x28, Black, TRBDMZBK20-BK
(19)
List: $89.99 $39.00 Save Up to 57%
Blazin' Deal TRYBE Defense 5.56 NATO Medium Profile AR Rifle Barrel, Black, 16in, BARRIF16556
TRYBE Defense 5.56 NATO Medium Profile AR Rifle Barrel, Black, 16in, BARRIF16556
(10)
List: $174.99 $84.85 Save Up to 52%
Questions & Answers

Clearance Product

See more clearance items
Clearance
This product is priced to move! You are getting a rock-bottom price, so no additional coupons or discounts apply. Don't delay - once it's gone, it's gone!
Color:
Black
Finish:
Chrome Phosphate
Caliber:
.223 Remington, 5.56mm
Barrel Length:
13.9 in
Barrel Profile:
Medium
Gas System Length:
Mid Length
Gas Block Journal Size-Diameter:
.750 in
Barrel Twist Rate:
1-8
Flutes:
No
Gun Make:
AR Platform
Gun Model:
AR-15
Weight:
26 oz
Firearms Threads Per Inch:
1/2x28

Code: 5Z0-ATB-MOBVCD-111322

MPN: 111322

UPC: 7427053011341

ClearanceFinal Sale
List: $399.99Save 13%
$349.99

Product Info for Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel

The HM Monobloc barrel includes an integrally machined and patented gas block. Chambered in 5.56 NATO/223 Rem, the 4150 Chromoly Vanadium barrel comes in various lengths. This barrel features a 1:8 twist ratio and a mid-length gas system, with a manganese phosphate coated exterior, chrome lined bore, and match crown for maximum service life, EXCLUSIVE to Lead & Steel!image

All HM Defense barrels are match-grade, tripled-honed and button-rifled for superior accuracy. All barrels feature Mil-spec M4 feed ramp extensions, properly installed & head spaced.

Specifications for Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel:

Manufacturer: Lead & Steel
Color: Black
Finish: Chrome Phosphate
Fabric/Material: 4150 Chrome-Moly Vanadium Steel
Caliber: 5.56mm, .223 Remington
Barrel Length: 13.9 in
Barrel Profile: Medium
Gas System Length: Mid Length
Gas Block Journal Size-Diameter: .750 in
Barrel Twist Rate: 1-8
Flutes: No
Gun Make: AR Platform
Gun Model: AR-15
Weight: 26 oz
Firearms Threads Per Inch: 1/2x28

Features of Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel

  • Gas block integrally machined as part of barrel.
  • Eliminates gas block installation and alignment.
  • Improved barrel harmonics for better accuracy.
  • Dependable performance in severe conditions.
  • Low profile; clears barrel nut and allows rail swap, if pinning and welding muzzle device.
  • Chrome lining, lightweight tapering and target crowning EXCLUSIVE to Lead & Steel!

Package Contents:

  • Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel

What firearm models does the manufacturer say Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel is compatible with?

The manufacturer suggests that Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel is compatible with AR-15

Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded Barrel Orderable Models

List of Orderable Models

  • Lead & Steel MonoBloc M4/AR-15 5.56mm/.223 Remington Threaded AR Barrel, 13.9in, Mid Length, 1-8 Twist, 1/2x28, Chrome Phosphate, Black, 111322 , MPN: 111322 , UPC: 7427053011341 , Code: 5Z0-ATB-MOBVCD-111322
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-08-30 UTC.