M4 / M16 / AR15 Uppers, AR Gas Block Selection & More

Allen Engineering Recce Barrel Kit, 16.5″

Admin — Fri, 10 Apr 2026 16:59:48 +0000

Allen Engineering Recce Barrel Kit, 16.5″ (AE-BBL-KIT-R) The AE Recce Barrel makes improvements to the original design used on the NSWDG Recce Rifles. This barrel has a mid-length gas system and a reduced gas port for dedicated suppressed use with the M4-Recce suppressor. This will provide a less gassy and softer shooting experience when compared […]

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Allen Engineering 416 Recce Collar

Admin — Fri, 10 Apr 2026 16:11:14 +0000

Allen Engineering 416 Recce Collar (AE-CLR-R-416) The recce collars were designed for NSWDG recce rifles to mount the M4-Recce suppressor. 416 Recce: This was designed for 14.5″ SOCOM profile 416 barrels. These will work with factory HK 416 SOCOM barrels or with Nefarious Arms 416 SOCOM barrels.

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Allen Engineering M4 Recce Collar

Admin — Fri, 10 Apr 2026 15:37:03 +0000

Allen Engineering M4 Recce Collar (AE-CLR-R-M4) The recce collars were designed for NSWDG recce rifles to mount the M4-Recce suppressor. M4 Recce: This was designed for the 16.5″ M4 recce barrels. These will work with AE Recce barrels or with Lilja M4 barrels (additional gunsmithing is required for the Lilja barrel).

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KAC-Knight’s Armament 5.56 QDC Open Brake XC KIT, 1/2″-28

Admin — Mon, 29 Sep 2025 16:24:32 +0000

KAC-Knight’s Armament 5.56 QDC Open Brake XC KIT, 1/2″-28 (123191) Mounting interface for KAC 5.56mm QDC suppressors to reduce wear to the first baffle and extend service life. Without a suppressor mounted, the 5.56mm Open Brake reduces felt recoil and muzzle lift. Specifications: Weight: 3.5 oz Length: 2.15” Thread Size: 1/2-28 Addition to Bare Muzzle: […]

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KAC-Knight’s Armament SR15, KS2 Upper Receiver Kit, 14.5″

Admin — Wed, 24 Sep 2025 23:12:18 +0000

KAC-Knight’s Armament KS2 SR15 Series Upper Receiver Kit, 14.5″ (121436) The KS-series of carbines is the next step in Knight’s continued refinement of the AR-15 platform. Improvements have been made to ergonomics, maintenance procedures, and function. The self-indexing, highly efficient Mod 2 gas system has been retained in this latest iteration. The straight gas tube […]

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KAC-Knight’s Armament KS3 SR15 Upper Receiver Kit, 11.5″

Admin — Wed, 24 Sep 2025 22:48:34 +0000

KAC-Knight’s Armament SR15, 5.56mm, KS3 Upper Receiver Kit, 11.5″ (121437) The KS-series of carbines is the next step in Knight’s continued refinement of the AR-15 platform. Improvements have been made to ergonomics, maintenance procedures, and function. The self-indexing, highly efficient Mod 2 gas system has been retained in this latest iteration. The straight gas tube […]

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HUXWRX QD 556K Flash Hider, 1/2 x 28 Long, 2.7″, Black

Admin — Wed, 27 Nov 2024 22:09:37 +0000

HUXWRX QD 556K Flash Hider, 1/2 x 28 Long, 2.7″, Black (HUX2885) The Flash Hider-QD is designed to mitigate flash when unsuppressed. Flash Hider-QD 556 is compatible with HX-QD 556k, 556, 762, 762 Ti and Magnum Ti suppressors. NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with […]

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HUXWRX QD 556K Flash Hider, 1/2 x 28, Black

Admin — Wed, 27 Nov 2024 22:01:40 +0000

HUXWRX QD 556K Flash Hider, 1/2 x 28, Black (HUX1677) The Flash Hider-QD is designed to mitigate flash with unsuppressed. NOTE: Larger caliber mounts are NOT compatible with smaller caliber suppressors. Smaller caliber mounts ARE compatible with larger caliber suppressors. Compatible with HX-QD 556k, 556, 762, 762 Ti and Magnum Ti suppressors

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Daniel Defense 14.5″ 5.56mm 1:7 Mid Length GOV w/ Low Profile Gas Block

Admin — Mon, 05 Aug 2024 21:11:10 +0000

Daniel Defense 14.5″ 5.56mm 1:7 Mid Length GOV w/ Low Profile Gas Block (07-077-07308) This 14.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers. The 14.5” Government profile barrel is forged from […]

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Daniel Defense 11.5″ 5.56mm 1:7 Carbine GOV w/ Low Profile Gas Block

Admin — Mon, 05 Aug 2024 20:57:44 +0000

Daniel Defense 11.5″ 5.56mm 1:7 Carbine GOV w/ Low Profile Gas Block (07-077-07108) This 11.5” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build. We Cold Hammer Forge our barrels from 4150 Chrome Moly Vanadium steel, a process that sets us apart from other barrel manufacturers. It’s Mil-spec heavy […]

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