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Laylax First Factory Lightweight Bolt Carrier End for Tokyo Marui M4A1 MWS GBB
Optimize the efficiency and cycling performance of your gas blowback rifle with the Laylax First Factory Lightweight Bolt Carrier End for Tokyo Marui M4A1 MWS GBB. Precision-engineered in Japan from high-strength, lightweight material, this drop-in upgrade replaces the standard factory bolt carrier end cap. By shedding unnecessary reciprocating weight from the bolt assembly, it decreases rearward mass, improves gas efficiency, and enhances slide/bolt recovery speed—making it an ideal upgrade for rapid-fire responsiveness and cold-weather skirmishing.
In Tokyo Marui MWS M4A1 Gas Blowback rifles, the weight of the bolt assembly directly impacts gas consumption, cycling rate, and action speed. The LayLax First Factory Lightweight Bolt Carrier End is designed specifically to reduce the overall mass of the bolt group without sacrificing structural integrity or reliability.
Reduced Reciprocating Mass & Improved Gas Efficiency
Constructed from ultra-lightweight, durable polymer/aluminum materials, this bolt end piece significantly reduces kinetic drag during the recoil cycle. Lowering the reciprocating mass allows the expansion gas from your magazine to drive the bolt backward with less resistance. This results in crisper trigger response, faster cycle rates (higher rate of fire), and noticeably better gas efficiency—especially in low-temperature environments where gas pressure drops.
Direct Drop-In TM MWS Compatibility
Designed to exact Tokyo Marui factory tolerances, this First Factory upgrade installs seamlessly onto the rear of the stock TM MWS bolt carrier group. It maintains proper engagement with the buffer tube assembly and recoil spring guide, providing reliable, jam-free operation under high rates of fire.
Key Features & Technical Benefits:
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Lightweight Precision Construction: Reduces overall bolt carrier weight for faster action speed.
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Enhanced Gas Efficiency: Requires less gas pressure to cycle the bolt, extending magazine output per fill.
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Improved Cold-Weather Performance: Helps mitigate gas efficiency drop-offs in chilly outdoor conditions.
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Faster Rate of Fire: Quickens bolt cycle speed for crisp, responsive double-taps and full-auto strings.
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Direct Drop-In Upgrade: Designed specifically for Tokyo Marui M4A1 MWS GBB series bolt carriers.
Usage & Installation Guidance
Disassemble your TM M4A1 MWS bolt carrier group according to standard maintenance procedures. Remove the stock rear bolt carrier end piece and replace it with the LayLax First Factory Lightweight Bolt Carrier End, ensuring retaining pins or screws are properly seated and secured. Apply a light layer of silicone grease or PTFE lubricant to the exterior sliding surfaces before reinserting the bolt carrier into the upper receiver.
| SKU | 511759 |
|---|---|
| Type | Bolt Carrier |
| Brand | Laylax |
| Weapon Category | Parts |
Our courier partners deliver from Monday to Friday, excluding Bank Holidays. We will attempt to dispatch all packages within 24 hours, although at peak times this may take slightly longer. Orders with products with two-tone service or Defence Check may take longer to dispatch.
Once the order is dispatched you will get an email with the tracking number and which courier partner it’s going to be delivered via. Any missing/incorrect items need to be reported with 48hrs of signed delivery.
Click Here to Download the Returns Form (PDF Format)
Faulty Product?! Unfortunately that is part of life but be rest assured we are here to help! Contact one of our friendly staff via phone or email. Stating what the problem is, if we can resolve the problem via phone or email great if not then they will advise how to send it back and what details we require.
The gun will be sprayed 51% in a bright/primary color (we do only blue, green and red currently). The process of two toning currently runs at 2 working days depending on Drying Time, which is effected by Ambient Temperature and Weather. and currently no express delivery is available for this even if you select it at checkout.