{"product_id":"vfc-kac-l403a1-ks-1-gas-blowback-rifle-tan","title":"VFC KAC L403A1 KS-1 Gas Blowback Rifle - Tan","description":"\u003cdiv style=\"background:#edfaf1;border-left:4px solid #27ae60;padding:12px 16px;border-radius:0 6px 6px 0;margin:0 0 16px;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#1a6b3a;\"\u003eVFC KAC L403A1 KS-1 Gas Blowback Rifle - Tan — \u003c\/strong\u003e VFC's licensed KAC KS-1 replica — the airsoft version of the British Army's new L403A1, in service with the Ranger Regiment and Royal Marines Commandos as the Alternative Individual Weapon (AIW). Full-metal GBBR with realistic bolt cycling, fully ambidextrous controls, KAC URX-style M-LOK handguard and the kind of build quality you'd expect at this tier.\n\u003c\/div\u003e\n\u003cp\u003eIn September 2023, after a two-year evaluation process called Project Hunter, the British Ministry of Defence selected the Knight's Armament Company KS-1 as the L403A1 — the new Alternative Individual Weapon for the Army Special Operations Brigade and Royal Marines Commandos. The rifle beat the HK416A5, the SIG MCX-Virtus, the Daniel Defense MK18 and the Glock GR-115 to take the contract. Rifles started arriving with frontline units through 2024 and 2025. For UK milsim and impression players, this is the rifle British Army Ranger Regiment and Royal Marines players need.\u003c\/p\u003e\n\u003cp\u003eVFC's GBBR replica is based on the actual KAC KS-1 platform — the latest iteration of the SR-16 family. The handguard is the KAC URX-style M-LOK that runs nearly the full length of the barrel, the lower receiver carries the full Knight's Armament Stoner Rifle markings, and the controls are properly ambidextrous in the same way the real rifle is — selector, magazine release, and bolt catch all mirrored. Full-metal construction throughout with reinforced polymer furniture, the kind of build quality VFC is known for at this price point.\u003c\/p\u003e\n\u003cp\u003eMechanically it runs VFC's well-proven GBBR system with realistic bolt cycling and felt recoil through the buffer tube. Adjustable hop-up handles BB weights through the standard skirmish range. Chronographs around 330 FPS with 0.20g out of the box — UK site-legal for 1J limits. The 330mm precision inner barrel pairs cleanly with VFC's hop unit for accuracy that holds up at the kind of distances modern GBBR shooters care about. Takes any VFC GBBR M4 magazine — your existing VFC mag collection drops straight in without modification.\u003c\/p\u003e\n\u003cp\u003eTwo things to plan for. First, this is a current-service British military rifle replica — players doing impression work will want the Vortex 1-10 LPVO, Aimpoint ACRO P-2 and KAC QDC suppressor that complete the real AIW system. The bare rifle is the starting point of a kit, not the whole loadout. Second, GBBRs are not direct AEG replacements — see the considerations note below before committing to one as a primary rifle if you skirmish through winter.\u003c\/p\u003e\n\u003ch2 style=\"font-size:16px;color:#1B3A6B;margin:18px 0 8px;\"\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:13px;margin:0 0 18px;\"\u003e\n  \u003ctr style=\"background:#1B3A6B;color:#fff;\"\u003e\n    \u003cth style=\"padding:7px 12px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n    \u003cth style=\"padding:7px 12px;text-align:left;\"\u003eDetail\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eManufacturer\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eVegaForceCompany (VFC)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eLicensed\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eKnight's Armament Company (KAC) — full trademarks\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eReal-Steel Reference\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eKS-1 \/ British Army L403A1 (Alternative Individual Weapon)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003ePlatform \/ Type\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGas Blowback Rifle (GBBR)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eCalibre\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e6mm BB\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMuzzle Velocity\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e~330 FPS with 0.20g (UK site-legal)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFire Modes\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSafe \/ Semi-Auto \/ Full-Auto\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eLength\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e~815mm stock extended \/ ~720mm stock collapsed\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eWeight\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e~3.1kg\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eInner Barrel\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e~330mm precision\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eOuter Barrel Thread\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e14mm CCW\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eHop-Up\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eAdjustable rotary\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eMagazine\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003e50-round GBB style — VFC GBBR M4 magazine compatible\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eControls\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFully ambidextrous (selector, mag release, bolt catch)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eHandguard\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eKAC URX-style M-LOK, near-full length\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eConstruction\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eFull metal with reinforced polymer furniture\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eColour\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eTan\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGas Compatibility\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eGreen gas (standard); HPA via external regulator\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5;\"\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eSupplier SKU\u003c\/td\u003e\n    \u003ctd style=\"padding:7px 12px;border:1px solid #eee;\"\u003eVF2-LL403A1-TN31\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background:#fff8dc;border-left:4px solid #f4b400;padding:12px 16px;border-radius:0 6px 6px 0;margin:14px 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#7a5e00;\"\u003e⚠ Gas blowback considerations:\u003c\/strong\u003e GBBRs deliver realism that AEGs simply can't match, but they're not maintenance-free. Performance drops noticeably in cold weather (below ~12°C the gas struggles to vapourise properly), rate of fire is limited by gas pressure recovery, and you'll need green gas or HPA via an external regulator. If you're skirmishing year-round, plan an AEG backup for winter games.\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eUKARA:\u003c\/strong\u003e As a realistic imitation firearm, this product requires UKARA registration or a valid defence. We verify at checkout. Register by playing 3 games over 56+ days at \u003ca href=\"\/pages\/airsoft-shop-high-wycombe-buckinghamshire\" style=\"color:#1B3A6B;\"\u003eSkirmish Wycombe Airsoft\u003c\/a\u003e.\u003c\/p\u003e\n\u003cdiv style=\"background:#1B3A6B;color:#fff;padding:12px 16px;border-radius:6px;margin:18px 0 0;font-size:13px;\"\u003e\n\u003cstrong style=\"color:#fff;\"\u003e💡 Titan Forge Airsoft tip:\u003c\/strong\u003e Building a current Ranger Regiment or Royal Marines impression? The real AIW package includes a Vortex 1-10x LPVO, Aimpoint ACRO P-2 red dot, KAC QDC suppressor, Magpul M54 sling, Magpul M-LOK AFG and a Surefire weapon light. Browse our \u003ca href=\"\/collections\/aeg-s\" style=\"color:#cdd6f4;\"\u003eoptics and accessories range\u003c\/a\u003e for the build-out — and if you're running this rifle on HPA rather than green gas, check our \u003ca href=\"\/collections\/hpa\" style=\"color:#cdd6f4;\"\u003eHPA section\u003c\/a\u003e for compatible regulators and lines.\n\u003c\/div\u003e","brand":"VFC","offers":[{"title":"Default Title","offer_id":55558796509560,"sku":"9686311974","price":729.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0562\/8097\/3450\/files\/vf2-ll403a1-tn31_r.webp?v=1778773997","url":"https:\/\/www.titanforgeairsoft.com\/products\/vfc-kac-l403a1-ks-1-gas-blowback-rifle-tan","provider":"Titan Forge Airsoft","version":"1.0","type":"link"}