array:177 [
  "RESPONSE_CACHE_DRIVER" => "redis"
  "GC_DEALS_DB_PORT" => "3306"
  "REDIS_PORT" => "6379"
  "AWS_ADMIN_EMAIL" => "quiray.aron@gmail.com"
  "DB_CONNECTION" => "mysql"
  "APP_DEBUG" => "false"
  "AWS_LAMBDA_FUNCTION_MEMORY_SIZE" => "1024"
  "DB_PORT" => "3306"
  "PHP_INI_DIR" => "/usr/local/etc/php"
  "MAIL_FROM_ADDRESS" => "hello@example.com"
  "APP_URL" => "https://www.guncritic.com"
  "GC_ADS_DB_HOST" => "guncritic-production.camjnl8h9tmm.us-west-1.rds.amazonaws.com"
  "LD_LIBRARY_PATH" => "/opt/lib:/opt/lib/bref:/lib64:/usr/lib64:/var/runtime:/var/runtime/lib:/var/task:/var/task/lib"
  "REDIS_DB" => "0"
  "AWS_LAMBDA_LOG_STREAM_NAME" => "2025/06/21/[341]749548ffa688480fba95070198396415"
  "SHLVL" => "3"
  "REDIS_CLIENT" => "phpredis"
  "GC_DEALS_DB_DATABASE" => "live"
  "VAPOR_SSM_PATH" => "/guncritic-development"
  "ASSET_URL" => "https://d28ghupe2ziyoh.cloudfront.net/7bfe9ae1-b9ed-4473-8801-de4ad97444fa"
  "AWS_XRAY_CONTEXT_MISSING" => "LOG_ERROR"
  "ADSERVER_ENABLED" => "true"
  "APP_RUNNING_IN_CONSOLE" => "false"
  "BROADCAST_DRIVER" => "pusher"
  "AWS_LAMBDA_INITIALIZATION_TYPE" => "on-demand"
  "APP_VAPOR_ENVIRONMENT" => "non-production"
  "SQS_DELAY" => "3"
  "MAIL_FROM_NAME" => "Guncritic"
  "SES_AWS_DEFAULT_REGION" => "us-east-2"
  "GC_DEALS_DB_USERNAME" => "admin"
  "OLD_AWS_URL" => "https://d3bwi25h038moc.cloudfront.net"
  "APP_CONFIG_CACHE" => "/tmp/storage/bootstrap/cache/config.php"
  "PHP_LDFLAGS" => "-Wl,-O1 -pie"
  "DB_DATABASE" => "guncritic_develop"
  "MAIL_DRIVER" => "ses"
  "PHP_CFLAGS" => "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
  "GC_ADS_DB_PORT" => "3306"
  "REDIS_CACHE_DB" => "0"
  "AWS_EXECUTION_ENV" => "AWS_Lambda_Image"
  "FACEBOOK_CLIENT_ID" => "340423443217823"
  "VAPOR_MAINTENANCE_MODE" => "true"
  "PHP_VERSION" => "8.0.25"
  "OLD_AWS_DEFAULT_REGION" => "us-west-2"
  "FACEBOOK_CLIENT_SECRET" => "******"
  "AWS_LAMBDA_RUNTIME_API" => "127.0.0.1:9001"
  "SESSION_DRIVER" => "redis"
  "RESPONSE_CACHE_LIFETIME" => "86400"
  "GC_REDIRECT_ENABLED" => "true"
  "LOG_CHANNEL" => "stack"
  "MIX_URL" => "https://d28ghupe2ziyoh.cloudfront.net/7bfe9ae1-b9ed-4473-8801-de4ad97444fa"
  "NEW_DEALS_URL" => "https://dealsdb.guncritic.com/api"
  "GPG_KEYS" => "1729F83938DA44E27BA0F4D3DBDB397470D12172 BFDDD28642824F8118EF77909B67A5C12229118F 2C16C765DBE54A088130F1BC4B9B5F600B55F3B4"
  "DB_USERNAME" => "vapor"
  "SHELL_VERBOSITY" => "0"
  "PHP_ASC_URL" => "https://www.php.net/distributions/php-8.0.25.tar.xz.asc"
  "DB_PORT2" => "3306"
  "PHP_CPPFLAGS" => "-fstack-protector-strong -fpic -fpie -O2 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"
  "VAPOR_MAINTENANCE_MODE_SECRET" => "******"
  "SUPPORT_EMAIL" => "support@guncritic.com"
  "AWS_DEFAULT_REGION" => "us-west-1"
  "VAPOR_COMMIT_HASH" => "a260c2941caf4ae122dbef565406c18fcae7e9ff"
  "CACHE_DRIVER" => "redis"
  "PHP_URL" => "https://www.php.net/distributions/php-8.0.25.tar.xz"
  "GUNS_NEAR_ME_ENABLED" => "true"
  "GC_ADS_DB_DATABASE" => "ads_server"
  "UI_VERSION" => "2"
  "APP_REDIRECT_TO_ROOT" => "true"
  "VAPOR_CACHE" => "true"
  "CACHE_PREFIX" => "guncritic-development"
  "_HANDLER" => "/bin/sh"
  "SCOUT_DRIVER" => "meilisearch"
  "VAPOR_SSM_VARIABLES" => "[]"
  "AWS_SESSION_TOKEN" => "******"
  "AWS_LAMBDA_LOG_GROUP_NAME" => "/aws/lambda/vapor-guncritic-development"
  "_AWS_XRAY_DAEMON_ADDRESS" => "169.254.79.129"
  "LAMBDA_RUNTIME_DIR" => "/var/runtime"
  "PATH" => "/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
  "SCOUT_PREFIX" => "guncritic_staging_"
  "AWS_LAMBDA_FUNCTION_VERSION" => "341"
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  "GC_ADS_DB_USERNAME" => "vapor"
  "SCHEDULE_CACHE_DRIVER" => "dynamodb"
  "_AWS_XRAY_DAEMON_PORT" => "2000"
  "AWS_BUCKET" => "gc-vapor-production"
  "LOG_STDERR_FORMATTER" => "Laravel\Vapor\Logging\JsonFormatter"
  "FILESYSTEM_CLOUD" => "s3"
  "LIVEWIRE_UPLOAD_TO" => "old_s3"
  "VAPOR_ARTIFACT_BUCKET_NAME" => "vapor-us-west-1-1649992070"
  "DB_USERNAME2" => "vapor"
  "FILESYSTEM_DISK" => "s3"
  "SCOUT_QUEUE" => "true"
  "SQS_PREFIX" => "https://sqs.us-west-1.amazonaws.com/597652112231"
  "MEILISEARCH_KEY" => "******"
  "VAPOR_SERVERLESS_DB" => "false"
  "REDIS_CLUSTER" => "redis"
  "BROADCAST_CONNECTION" => "pusher"
  "AWS_REGION" => "us-west-1"
  "APP_VANITY_URL" => "https://scenic-silence-40pbpzb5izxr.vapor-farm-g1.com"
  "UPVIRAL_POPUP_ENABLED" => "false"
  "AWS_ACCESS_KEY_ID" => "ASIAYWJWXQNTV2YS5PQQ"
  "FACEBOOK_CALLBACK_URL" => "https://www.guncritic.com/callback/facebook"
  "IP_COORDINATES_DRIVER" => "ip_stack"
  "APP_LOG_LEVEL" => "debug"
  "VAPOR_ARTIFACT_NAME" => "guncritic-e1264f46-28b3-454a-9c62-4d51dbfa2427"
  "AWS_SECRET_ACCESS_KEY" => "******"
  "QUEUE_TIMEOUT" => "119"
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  "REDIS_PASSWORD" => "******"
  "FILESYSTEM_DRIVER" => "s3"
  "SENTRY_ENVIRONMENT" => "staging"
  "OLD_MIX_AWS_URL" => "https://d3bwi25h038moc.cloudfront.net"
  "RESPONSE_CACHE_ENABLED" => "true"
  "SQS_QUEUE" => "guncritic-development"
  "GC_DEALS_DB_HOST" => "35.168.39.233"
  "MAIL_MAILER" => "ses"
  "CACHE_STORE" => "redis"
  "ADSERVER_URL" => "https://link.guncritic.com"
  "TELESCOPE_ENABLED" => "false"
  "REDIS_HOST" => "guncritic-redis-staging.xpsiqz.clustercfg.usw1.cache.amazonaws.com"
  "APP_KEY" => "******"
  "APP_ENV" => "development"
  "SQS_TRIES" => "3"
  "PHPIZE_DEPS" => "autoconf \t\tdpkg-dev dpkg \t\tfile \t\tg++ \t\tgcc \t\tlibc-dev \t\tmake \t\tpkgconf \t\tre2c"
  "AWS_LAMBDA_FUNCTION_NAME" => "vapor-guncritic-development"
  "APP_REDIRECT_TO_WWW" => "false"
  "DYNAMODB_CACHE_TABLE" => "vapor_cache"
  "PWD" => "/var/www/html"
  "DB_PASSWORD" => "******"
  "MEILISEARCH_HOST" => "http://10.0.0.222:7700"
  "ADSERVER_ADS_2_ENABLED" => "false"
  "PHP_SHA256" => "a291b71d0498707fc5514eb5b9513e88f0f1d4890bcdefd67282ded8a2bfb941"
  "HTTPS" => "on"
  "GC_DEALS_VERSION" => "2"
  "LAMBDA_TASK_ROOT" => "/var/task"
  "QUEUE_CONNECTION" => "sqs"
  "DB_HOST" => "guncritic-production.camjnl8h9tmm.us-west-1.rds.amazonaws.com"
  "RESPONSE_CACHE_HEADER_NAME" => "gc-responsecache"
  "GC_DEALS_DB_CONNECTION" => "gc_deals_db"
  "MYSQL_ATTR_SSL_CA" => "/var/task/rds-combined-ca-bundle.pem"
  "USER" => "sbx_user1051"
  "HOME" => "/home/sbx_user1051"
  "HTTP_CONTENT_LENGTH" => "0"
  "HTTP_X_FORWARDED_PROTO" => "https"
  "HTTP_X_FORWARDED_PORT" => "443"
  "HTTP_X_FORWARDED_FOR" => "216.73.216.197, 104.23.197.199"
  "HTTP_X_AMZN_TRACE_ID" => "Root=1-6856471d-753387c461b998b3548638be"
  "HTTP_USER_AGENT" => "Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)"
  "HTTP_REFERER" => "https://scenic-silence-40pbpzb5izxr.vapor-farm-g1.com/questions/low-profile-gas-block"
  "HTTP_HOST" => "scenic-silence-40pbpzb5izxr.vapor-farm-g1.com"
  "HTTP_CF_VISITOR" => "{"scheme":"https"}"
  "HTTP_CF_RAY" => "95313415cc8d1de6-CMH"
  "HTTP_CF_IPCOUNTRY" => "US"
  "HTTP_CF_CONNECTING_IP" => "216.73.216.197"
  "HTTP_CDN_LOOP" => "cloudflare; loops=1"
  "HTTP_ACCEPT_ENCODING" => "gzip, br"
  "HTTP_ACCEPT" => "*/*"
  "CONTENT_LENGTH" => "0"
  "SCRIPT_FILENAME" => "/var/task/httpHandler.php"
  "SERVER_SOFTWARE" => "vapor"
  "SERVER_PROTOCOL" => "HTTP/1.1"
  "SERVER_PORT" => "443"
  "SERVER_NAME" => "scenic-silence-40pbpzb5izxr.vapor-farm-g1.com"
  "SERVER_ADDR" => "127.0.0.1"
  "REQUEST_TIME_FLOAT" => 1750484765.1428
  "REQUEST_TIME" => 1750484765
  "REQUEST_URI" => "/questions/low-profile-gas-block/"
  "REQUEST_METHOD" => "GET"
  "REMOTE_PORT" => "443"
  "REMOTE_ADDR" => "127.0.0.1"
  "QUERY_STRING" => ""
  "PATH_INFO" => "/questions/low-profile-gas-block/"
  "GATEWAY_INTERFACE" => "FastCGI/1.0"
  "AWS_REQUEST_ID" => "26bbee66-5baa-4d76-a0af-76c44d01be00"
  "FCGI_ROLE" => "RESPONDER"
  "PHP_SELF" => "/questions/low-profile-gas-block/"
  "argv" => []
  "argc" => 0
]

Low profile gas block

Colt M4 Carbine LE6920OEM2

Delta ring

Low profile gas block

Is this model stamped M4 carbine?