Military M4A4 Assault Rifle | 1388 PCS
High-impact ABS
Won't Go Brittle
Accureate build detail
Specialized in weapon replicas
Free Shipping
30 Day Guarantee
Easy Returns
Sitewide Offer: Unlock Free Gifts Worth $100+
Buy 2, get a FREE Deagle
Gift added in cart- All pieces, pre-sorted into numbered bags
- Full-colour step-by-step instruction manual
- Display stand
- Spare parts pack — extra small pieces included as standard
Build the whole thing and live with it for a month. If it isn't what this page promised, send us one message and we'll refund you in full — no reason required, no restocking fee.
Missing or damaged piece? Send a photo and we ship a replacement free. You never post anything back to us. Covered for 12 months.
Tracking is emailed the moment it ships — a real number that actually updates. Questions before or after ordering get a reply from a real person, usually the same day.
“I basically took over my son's build. The quality is better than lego. Bricks fit together perfectly and overall it is a fun build.”
Not a display piece.
A working model.
Unedited footage · Filmed on the actual retail set · No CGI
Hand-operated, spring-free. The same motion as the real platform, at 1:1 scale.
A detachable magazine that seats and releases — not a moulded block glued in place.
A working charging handle, built from bricks. Pull it back, let it snap home — the part everyone reaches for first.
One shipment. The full loadout.
Most builders don't stop at one. Take the pair, add the sidearm on us.
Military M4A4 Assault Rifle | 1388 PCS
Primary
P90 Sumbmachine Gun | 1000+ PCS
Secondary
Desert Eagle Sidearm | 408 PCS
Sidearm
Three ways to buy.
One of them holds up.
The big brands won't make these. See how CALIBR stacks up against others in design, scale, and value.
Major Brand
- Doesn't make weapon replicas
- High price per piece
- No working firearm mechanisms
- High-precision moulded pieces
- Reliable support and returns
CALIBR
- Specialized in accurate weapon replicas
- Low price per piece
- Working, hand-operated mechanisms
- Designed for enthusiasts by enthusiasts
- High precision moulded bricks
Budget Imports
- Low price per piece
- Stickers instead of printed detail
- Loose tolerances, parts work loose
- Missing pieces, no instructions
- No named seller to chase
Guarantee
Build it first. Decide after.
Build it. See the quality for yourself. If you're not satisfied, return it within 30 days for a full refund. No questions asked.
From concept to collection.
Six stages between a reference photo and the box on your doorstep. Here's every one of them.
Designed
Reference photos, real dimensions.
Tooled
Steel moulds cut to tolerance.
Moulded
High-impact ABS, pressure-checked.
Printed
Markings printed on. Never stickers.
Counted
Weighed, bagged, spares added.
Dispatched
Sealed, boxed, tracked to your door.
Every detail matters.
From structure to finish, every model is built for realism, display, and durability.
Per Build
Another
Typical Kits
Everything Printed
What builders actually say.
Unedited, including the parts that aren't perfect.
Verified Buyer
Exactly the right silhouette
My shelf is getting crowded! Caliber blows Lego out of the water for military kits. The parts have that perfect 'snap' fit and don't feel flimsy. You can tell these guys don't take shortcuts on the technical gear.
Verified Buyer
A whole afternoon, no screens
Lego feels like a toy, but Caliber is the real deal for history fans. No stickers at all, everything is printed right on the bricks. The ABS plastic feels heavy and high-quality. Definitely not my last build.
Verified Buyer
Printed detail, not decals
Bought this to get my son off Fortnite and it actually worked. We spent the afternoon building and talking about real history. Instructions were clear enough for him to lead the build. He’s already asking for another.
Verified Buyer
Ordered expecting a knockoff
Blown away by the proportions on the Deagle. It’s refreshing to find a brand that doesn’t 'filter' history; they just get the details right. Solid as a rock and the printed markings look way better than decals.
Built for people who notice.
Three things we decided not to compromise on, and everything else follows from them.
Pieces That Hold
Tight tolerances and high-impact ABS. Nothing flexes when you pick it up, and nothing works loose on the shelf a month later.
Weapons Only
No castles, no spaceships, no city sets. Every design hour goes into one category, and you can see it in the proportions.
Support That Replies
A real inbox and a real person. Missing piece? We send a new one and you never post anything back to us.
Questions, answered.
The ones people actually ask us, answered without the marketing voice.
Dispatched in 1–3 business days. USA 7–14 days, UK and EU 10–15, AUS and NZ 10–21. Tracking is emailed the moment it leaves — a real number that actually updates.
No. It's a hand-operated model built entirely from plastic building bricks. It has no functional firearm components and does not fire projectiles. It's a building and display model.
Yes. It cycles by hand exactly as shown in the videos further up this page — that's footage of the actual retail set, not a prototype and not an animation.
Manageable if you've built anything similar before. Pieces come in numbered bags with a step-by-step manual, so you're never digging through one big pile. Most builders finish our sets in around 8-10 hours, usually across two sittings.
It's designed for ages 3 and up. Younger builders handle it comfortably with an adult building alongside them — which is how a lot of these get built anyway.
Send us a photo and we ship a replacement free. You never post anything back to us. Covered for 12 months from delivery.
Yes. Standard brick dimensions, so it interlocks with the major building systems and with every other set in our range.
No. Every marking is printed directly onto the piece, so nothing peels, bubbles, or fades. There isn't a single sticker in the box.
Yes. The connections are tight enough for normal display and regular handling without loosening. A display stand is included in the box.
Return it within 30 days for a full refund. No reason required, no restocking fee, and no questionnaire to fill in first.
Still unsure? Message us before you order. A real person answers, usually the same day.
See why others love it.
Photos and words from builders, posted exactly as they sent them.
Bigger than I expected. It’s been on the shelf a week and everyone who walks in picks it up.
Took me two evenings. Bags are numbered so you’re never digging through one big pile.
Third one now. They look better lined up together than any single one does on its own.
The charging handle actually moving is what sold me. Print on the manual is small, but nothing was missing.
Built one yourself? Send us a photo and we'll add it here.
Questions, answered.
The ones people actually ask us, answered without the marketing voice.
Dispatched in 1–3 business days. USA 7–14 days, UK and EU 10–15, AUS and NZ 10–21. Tracking is emailed the moment it leaves — a real number that actually updates.
No. It's a hand-operated model built entirely from plastic building bricks. It has no functional firearm components and does not fire projectiles. It's a building and display model.
Yes. It cycles by hand exactly as shown in the videos further up this page — that's footage of the actual retail set, not a prototype and not an animation.
Manageable if you've built anything similar before. Pieces come in numbered bags with a step-by-step manual, so you're never digging through one big pile. Most builders finish in around {BUILD_TIME}, usually across two sittings.
It's designed for ages {AGE} and up. Younger builders handle it comfortably with an adult building alongside them — which is how a lot of these get built anyway.
Send us a photo and we ship a replacement free. You never post anything back to us. Covered for 12 months from delivery.
Yes. Standard brick dimensions, so it interlocks with the major building systems and with every other set in our range.
No. Every marking is printed directly onto the piece, so nothing peels, bubbles, or fades. There isn't a single sticker in the box.
Yes. The connections are tight enough for normal display and regular handling without loosening. A display stand is included in the box.
Return it within 30 days for a full refund. No reason required, no restocking fee, and no questionnaire to fill in first.
Still unsure? Message us before you order. A real person answers, usually the same day.