Post and find for free, firearm parts for sale, trade and wanted to buy locally online at a made in Montana gun site. Ads are sorted by the very latest ad at the top. Featured Ads stick to top of all ad list pages chronologically by category, search and location. Featured ads also appear below all individual ads as well as below all blog post pages and the sponsor shop.
Gunwerks GRB Action SA 480
01/02/2026
Kalispell
$600.00
(By Mothman2021)
30 cal Benchmark heavy Palma barrel and MDT Oryx 700 LA
01/01/2026
Manhattan
$325.00
(By mtrancher)
12/30/2025
Polson
$100.00
(By Wyatt J.)
Various holsters, lights, switches
12/16/2025
Victor
NA
(By Myrioi)
Sig P365 X Macro and X Accessories
12/03/2025
Libby
$400.00
(By LACARMSANDCERAKOTELLC)
NIB ADM UIC ambi lower receiver. FFL transfer only.
11/26/2025
Helena
$300.00
(By kingflyfisher)
Taurus TX22 disconnector FRT
10/17/2025
Missoula
$35.00
(By robertcawbrush)
HS Precision Stock and Seekins DBM (AICS) for REM 700sa
01/06/2026
Missoula
$350.00
(By Thelaststarfighter)
BCM® Standard 16″ M4 SOCOM Barrel, Stripped
01/05/2026
Bridger
$125.00
(By Legion)
Franklin Armory F17 (17 wsm) Piston Complete Upper Assembly
01/04/2026
Glendive
$699.00
(By sirsty)
FRT Super Safety Geiselle SSA-E Hoffman Tactical
01/03/2026
Thompson Falls
$200.00
(By Cleforce)
Price Drop – FP Peq 15, 2x Sig Spears 5.56 & 300 blk, AR9 PCC, Dillon 650 package
01/03/2026
Corvallis
NA
(By 3gunnerMT)
01/03/2026
Missoula
$250.00
(By Thelaststarfighter)
LaRue Tactical Complete Match Grade 18in 6.5 Grendel Upper Receiver in New Condition
01/03/2026
Bozeman
$900.00
(By stone12)
(Price reduced) P80/3d print Glock 19 parts
01/03/2026
Helena
$150.00
(By Wild18)
Mosin Nagant scope & parts
01/02/2026
East Helena
$150.00
(By Craig Montana)
Armaspec QD end plate and castle nut for AR
01/02/2026
Belgrade
$25.00
(By BillyQ)
Remington/Tikka Stocks and Barrels
01/01/2026
Helena
NA
(By Chad.R)
Build your own AR – A good start
12/31/2025
Great Falls
$700.00
(By Daryl)
16″ aero precision upper & new AR parts
12/28/2025
Missoula
$250.00
(By BatMan)
338 WM Large Ring Mauser Barrel
12/28/2025
Columbia Falls
$150.00
(By tsuvkew)
12/23/2025
Great Falls
$200.00
(By Kwebersole)
Compete AR Upper for sale
12/23/2025
Harlowton
$400.00
(By Sunhead)
Radian Ramjet with Afterburner Glock 48
12/21/2025
Boulder
$280.00
(By AbeF18)
McMillan, Christensen, Zeiss, Henry
12/21/2025
Kalispell
$1.00
(By Mwf008)
Noreen Firearms .308 Lower Receiver
12/18/2025
Missoula
$150.00
(By ejw623)
16” Aero/ballistic advantage/BCM upper
12/17/2025
Bozeman
$420.00
(By jjvmt556)
Caldwell Pivoting bipod 9″ – 13″ & weaver base for N.E.F. single shot rifle
12/14/2025
Stevensville
$35.00
(By TC222)
12/13/2025
Great Falls
$650.00
(By Richard_Oc-e-Non)
12/12/2025
Billings
$120.00
(By Zastava636)
SureFire SF4P 4-prong flash hider
12/09/2025
Bozeman
$90.00
(By chandler213)
CZ Bren 2 Optimized Gas Regulator Assembly 11″ & 14″
12/08/2025
Libby
$120.00
(By revelation6two)
11/24/2025
Missoula
$550.00
(By 450dirtslinger)
Proof Carbon .338 unchambered barrel 28”
11/23/2025
Ennis
$800.00
(By gunnut)
11/17/2025
Belgrade
$85.00
(By Armed-but-broke)
Radical Firearms 223 Wylde Upper 10.5” 1:8 – NEW
11/13/2025
Helena
$225.00
(By cmrock406)
