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Prexis Product List

CETME "L" Receiver Flats

DeLisle Commando Rifles

Custom Machining Services
New Products coming soon
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We Recommend finishes from

Parts & Kits
***Cope's Distributing ***
***APEX ***
***Sarco Inc. ***
***GreenMountain Barrels ***
***Tactical Machining***  
Centerfire Systems 
Military Gun Supply 

"How To" Build CD's ** 

Prexis "Legacy Products"
available now available from HBA
(Hell Box Armory)

Beretta 38a
Suomi M31
Yugo M-56
Star Z-45
Semi-Auto Sten & Barrels

Other HBA  "Hot Products"
PPSH-41 Repair Sections and services
VZ-58 Hybrid 80% (Non-FFL) Receivers
MP-34 Reciver Repair Section

*Weapons Guild 
Firearm Builder's Forum

Terms and Conditions
Privacy Statement

Free Stuff
Beretta Semi-Auto 
Semi-Only Sten 
Info & Blueprints
Build a Sten MK-II from Scratch



 New "Gen-3"  CETME-L Receiver Flats
These are full of enhancements
to make completing you build easier.

CETME L receiver flat

Precision American Rifle LLC, PAR rifle, PAR-900, PAR-300, Precision Rifle, American firearms, Prexis barrels, 80% receivers, Bren receivers, Thompson 80%, Bren 80%,Battle rifle, Close Quarter, PDW, Precision PAR-900 PDW,Thompson SMG receiver, .338 Lapaua Semi-auto, 8mm sniper, 30-06 sniper, home defense weapon, American Precision rifles and 80% solutions

Note on Purchased Barrels.
All of our barrels are made to "Original" factory barrel dimensions.. These dimensions have a +/- tolerance.
When your barrel components were installed on the your original barrel, they were "Fitted" to that barrel.
Depending on whether that original barrel was at the minus, dead on, or plus dimension,
your barrel components may fit loose, snug, or very tight as you install them on the new barrel.
We have no idea what was done to your barrel components (trunnion through muzzle device) to get them
installed on the original barrel. "If" you receive a barrel from us that you feel is out of spec (because of your parts
fitting to tight or to loose) please contact us.. We will help you with methods of using the barrel (if it is within our spec's)
or provide a replacement barrel (if we find it is out of our spec's)
Any barrel returned to us that is "within" our spec's will be charged a 20% restocking fee.


Any Gunsmith or FFL work purchased will be handled by "Precision American Rifle LLC"

NOTE: All of our products at this time are custom built when ordered. See individual receivers for current shipping time.

Here is a "New" Source  for additional Firearm Building Components (including PPSH-41, 1919a4, BATF approved Fake Suppressors and more) 
"Hell Box Armory"


Free Sten technical information. Free Semi-Auto design drawings and plans. Download SMG receiver plans, 300 Blackout upper, 6.5 Grendel, .450 Bushmaster, PAR30 AR Platform, AR-15 uppers, RPD Re-weld fixtures, firearm building parts, firearm reproductions, RPD receivers. Please visit ", the Premier Firearm Builders Forum". weaponsguild homebuilt challenge, firearm building contest, homebuild, homebuilt challenge, firearm building challenge contest, build challenge, premier firearm forum, Precision American Rifle LLC, BAR receivers, Bren receivers, 80% receiver, 80% solutions, Belt-fed Conversions,