Does the Aero Precision M4E1 Threaded Barreled work with the WMD Guns / BCG .450 BM NIB-X Nickel?
Upper Receiver
Aero Precision M4E1 Threaded Barreled Upper 5.56 Mid-Length
from $543.99
Bolt Carrier Group
WMD Guns / BCG .450 BM NIB-X Nickel
from $134.06
Aero Precision upper and WMD Guns bolt carrier group compatibility
Yes, they fit
The Aero Precision M4E1 Threaded Barreled Upper 5.56 works with the WMD Guns / BCG .450 BM NIB-X Nickel. Our compatibility rules found no conflict between them.
No one has built this exact setup yet, but Aero Precision uppers with WMD Guns bolt carrier groups are a common pairing.
Counted from real GunPartPicker builds: parts lists people put together while planning to buy.
Checked by the same rules the AR builder runs on every part you add: caliber, frame size, receiver pattern, thread pitch and gas length.
Fit is judged from the specs retailers list, which can be missing or wrong. Confirm with the manufacturer before you buy, and have a qualified gunsmith check any build before you fire it.
How often builders pair the Aero Precision upper and WMD Guns bolt carrier group
Backed by thousands of qualified builds that have both an upper and a bolt carrier group.
Share of builds with the Aero Precision M4E1 Threaded Barreled and any bolt carrier group
Share of builds with the WMD Guns / BCG .450 BM NIB-X Nickel and any upper
Aero Precision M4E1 Threaded Barreled
- Of upper picks
- 1.5%
- Median paid
- $517
WMD Guns / BCG .450 BM NIB-X Nickel
- Of bolt carrier group picks
- 0%
- Median paid
- $134
How we count ⌄
These shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales or surveys. A build counts a part only when it is the final pick for its slot, so parts that were swapped out never count. Fit never comes from these numbers; it comes from our compatibility rules alone.
Frequently built with the Aero Precision upper and WMD Guns bolt carrier group
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Aero Precision M4E1 Threaded vs WMD Guns / BCG .450 BM NIB-X: specs and prices
| Aero Precision M4E1 Threaded | WMD Guns / BCG .450 BM NIB-X | |
|---|---|---|
| Best price | $543.99 at KY Gun Company | $169.99 at Optics Planet |
| Stores | 0 of 5 in stock | 1 of 2 in stock |
| Assembly | Complete | n/a |
| Platform | AR-15 | n/a |
| Gas System Length | Mid-Length | n/a |
| Caliber | 5.56 NATO | n/a |
| Receiver Type | M4E1 | n/a |
| Length | 16 | n/a |
| Cartridge | n/a | .450 Bushmaster |
| Finish | n/a | Nickel Boron |
Both for $713.98 at today's best prices.
Today's best prices and 90 day price history
Every store we track for each part, cheapest in stock first. Prices are checked through the day.
Aero Precision M4E1 Threaded Barreled Upper 5.56
Price history, last 90 days
- Aero Precision M4E1 Threaded Barreled: lowest $517.32 on Jul 7, highest $589.99 on Jul 12 over the last 90 days.
- WMD Guns / BCG .450 BM NIB-X Nickel: lowest $134.06 on Jul 13, highest $169.99 on Aug 18 over the last 90 days.
Bolt Carrier Groups frequently paired with the Aero Precision M4E1 Threaded Barreled
Most picked next to it in real builds. Only parts our rules say fit the Aero Precision M4E1 Threaded Barreled are listed.
Upper Receivers most paired with WMD Guns bolt carrier groups
The WMD Guns / BCG .450 BM NIB-X Nickel is not in enough builds yet, so these are the most picked next to any WMD Guns bolt carrier group. Only parts our rules say fit the WMD Guns / BCG .450 BM NIB-X Nickel are listed.
