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.
SIG LEGION P226 9MM 4.4″ SLIDE ASSEMBLY
05/30/2026
Missoula
$200.00
(By James2024)
Suppressors – Thunder Beast SPIRO’s, AB A-10, AB Little Birds, & SilencerCo Omega 300DTM’s
05/30/2026
Townsend
$330.00
(By MikulaTactical)
05/20/2026
Helena
$575.00
(By 556blaster)
Johnny Glock Gen 3 combat trigger
05/16/2026
Great Falls
$125.00
(By OhMyGlock)
AR15 Armorer’s Master Kit
05/15/2026
Missoula
$200.00
(By Jed)
PRICE DROP Recce LMG upper and Aimpoint PRO
05/06/2026
Butte
$1,400.00
(By JustJacob)
Alexander Arms 6.5 Grendel Upper (or carbine)
05/05/2026
Great Falls
$600.00
(By VLD)
Aero Precision 10.5” Complete Upper Receiver
05/05/2026
Billings
$400.00
(By RLGunwares)
05/05/2026
Great Falls
$1,234.00
(By Akmt)
Rifle/Shotgun Stocks & Forends
05/04/2026
Great Falls
NA
(By Huskybb22)
Warne QDXSKEL 30mm mount – new
05/01/2026
Billings
$100.00
(By Troutbum)
Spike’s Tactical 9mm Glock Gen II Upper Receiver – Upper Only
04/24/2026
Dillon
$75.00
(By Robertin406)
05/31/2026
Belgrade
$750.00
(By DawsonJurgy)
27 Nosler Bartlein barrel 22”
05/31/2026
Bozeman
$100.00
(By Whitejg03)
UPR 15 Uintah Precision Bolt action .223 Wylde AR15 Upper
05/30/2026
Kalispell
$675.00
(By crazytimme)
REPTILIA RECC-E STOCK (FDE)
05/30/2026
Helena
$100.00
(By 556blaster)
keltec cp33, AR15 Pistol, 10/22 stock, FP Peq 15
05/29/2026
Corvallis
NA
(By 3gunnerMT)
05/28/2026
Columbia Falls
$300.00
(By tom12121112)
Mountain Tactical Arca-Lite for Tikka Rifle Systems
05/28/2026
Helena
$55.00
(By Mauseraction406)
Kimber 2K11 Aluminum grip module
05/27/2026
Helena
$400.00
(By M1A2Tanker)
05/27/2026
Columbia Falls
$100.00
(By tom12121112)
05/25/2026
Kalispell
$100.00
(By bfizzle11)
05/24/2026
Kalispell
$300.00
(By 406A2)
(SOLD) 14.5 PSA JAKL 5.56 upper with stock
05/24/2026
Helena
$650.00
(By eskrimador)
05/23/2026
Billings
$50.00
(By Burkett7622)
G21 Double Diamond 45ACP Barrel
05/23/2026
Billings
$80.00
(By Burkett7622)
05/19/2026
Billings
$300.00
(By daniel schillo)
26×1.5 LH CNC Warrier Muzzle Extension fits Yugo AKs
05/18/2026
Belgrade
$30.00
(By BillyQ)
Geiselle Airborne Ambi Charging Handle
05/18/2026
Bozeman
$80.00
(By chandler213)
SureFire SF4P Suppressor Muzzle Device
05/18/2026
Bozeman
$85.00
(By chandler213)
McMillan Game Warden LR-TG Stock
05/16/2026
Havre
$500.00
(By cbender)
05/16/2026
Great Falls
$200.00
(By Alexwcobb)
Caldwell Pivoting bipod 9- 13″ weaver base for N.E.F rifle, Tacticle see thru scope mount
05/14/2026
Stevensville
$35.00
(By TC222)
Fostech Echo Sport AR-15 Binary Trigger
05/13/2026
Clinton
$195.00
(By jtomlanovich)
Proof Research Carbon 6.5 Creedmoor Prefit Barrel
05/13/2026
Billings
$999.00
(By HandTarms)
Proof Research 6 ARC Barrel
05/13/2026
Billings
$649.00
(By HandTarms)
