One week into the Modern Warfare 4 early access beta, the player community has had enough time to dig deep into Infinity Ward's latest creation — and the consensus is forming fast. With over 8 million players having participated in the pre-order early access since July 10, the MW4 beta is already the most-played Call of Duty beta in franchise history. Here's what the first week of data, gameplay, and community sentiment tells us.
The runaway star of the beta is undeniably Gunsmith 2.0. Infinity Ward's completely overhauled weapon customization system has been met with near-universal acclaim, with players praising the depth and flexibility it brings to loadout creation. Unlike the previous iteration, Gunsmith 2.0 offers up to 10 attachment slots per weapon spread across five distinct categories: optics, muzzle, underbarrel, ammunition, and receiver modifications. Each category features multiple sub-specializations — for example, underbarrel options range from traditional foregrips to integrated masterkey shotguns to tactical dart launchers.
What has really captured the community's imagination, however, is the new receiver modification system. Players can now swap entire upper receiver assemblies to change a weapon's caliber, rate of fire, and recoil profile. The MCX Spear assault rifle, for instance, can be reconfigured from its standard 6.8mm cartridge to a lighter 5.56mm setup that drastically reduces recoil at the cost of damage per shot, or up-converted to a heavy 7.62mm configuration for a hard-hitting marksman rifle variant. This means that the same weapon platform can serve completely different roles depending on how its receiver is configured — a level of customization that competitive players have already begun exploiting to create hybrid loadouts that can adapt to any engagement range.
As for the evolving weapon meta, the first week has been dominated by mobility-focused builds. The PDW-57 SMG has emerged as the early frontrunner, thanks to its blistering 900 RPM fire rate and exceptionally fast sprint-to-fire time when equipped with the "Lightweight Stock" and "Micro Reflex" optic attachments. Players have discovered that pairing the PDW-57 with the "Quickstep" tactical perk — which increases strafing speed by 15% — creates a close-quarters monster that can challenge shotguns at their intended range while retaining mid-range viability.
Among assault rifles, the MCX Spear has proven versatile enough to be the most popular AR in the beta, while the Bruen MK9 LMG has carved out a niche among defensive players holding power positions on the beta's larger maps. The KV Broadside shotgun, while powerful at close range, has drawn criticism from some players who feel its one-shot kill potential is too generous, leading to calls for a damage range nerf before the full launch.
The beta's eight-map rotation has received generally positive feedback, though opinions are divided on the map design philosophy. The remastered classics — "Rust" and "Highrise" — have been met with warm nostalgia, with the IW 10.0 engine's enhanced lighting and destruction physics breathing new life into these familiar layouts. The new "Medina" map, set in a Moroccan market district, has emerged as an early fan favorite thanks to its multi-level verticality and tight interior spaces that reward SMG rushers. However, "Caspian Border," a large-scale map set across a snowy mountain pass, has drawn criticism for its many sightlines that favor long-range marksman rifles over close-quarters combat.
On the technical performance front, MW4's IW 10.0 engine is delivering a smooth experience for most players. The beta runs at a stable 120 FPS on PS5 and Xbox Series X in the standard 1080p-1440p performance mode, with 4K/60 available as a visual priority option. PC performance has been more variable: players with high-end GPUs (RTX 4070 and above) report excellent results, but those on older cards have experienced occasional stuttering. Infinity Ward has already released a beta patch that addresses several common crash causes and improved DLSS 4 frame generation stability. Shader compilation has also been significantly improved compared to MW3's launch — the forced restart after updates has been eliminated entirely.
Community sentiment remains cautiously optimistic after the first week. The official MW4 subreddit has grown by 340,000 subscribers since the beta launched, with daily discussion threads frequently reaching 2,000+ comments. A community-run sentiment poll conducted this weekend found that 72% of beta participants rate the experience as "Excellent" or "Good," while 18% chose "Mixed" and 10% rated it "Poor." The most common criticisms center on the TTK (time-to-kill) feeling slightly too fast, the visibility of certain operator skins blending into dark map corners, and the aforementioned Caspian Border map layout.
"This is the most confident I've felt about a Call of Duty beta since MW19," wrote prominent Call of Duty content creator "TheXclusiveAce" in his week-one analysis video, which has already surpassed 800,000 views. "Gunsmith 2.0 alone is a generational leap. Infinity Ward just needs to keep the balancing patches coming and make sure the open beta and launch build address the TTK and visibility concerns."
With the open beta scheduled for July 17-20 across all platforms, the pressure is on Infinity Ward to respond to week-one feedback before millions of additional players jump in. A mid-week balance patch is expected to address the KV Broadside's damage range and implement initial visibility tweaks. If the open beta can build on the early access momentum, the runway to MW4's full November 6 launch looks increasingly promising.