Standart caliber rifles
Austria
 Steyr SSG 69
 Steyr SSG 04
 Steyr SSG 08
 Steyr Scout Tactical
 Styria Arms CSR99
 Unique Alpine TPG-1
Belgium
 FN 30-11
 FN Police Rifle
 FN FNAR
Brazil
 IMBEL Fz.308
Canada
 Timberwolf C14
China (People Republic of)
 QBU-88
 JS 7.62
Czech Republic
 CZ 700
Finnland
 Saco TRG
France
 FR F2
 PGM Ultima Ratio
 PGM Mini-Hecate .338
Germany
 HK PSG-1
 HK MSG-90
 Walther WA2000
 Mauser SP66
 Mauser 86SR
 Mauser SR-93
 Blaser 93 Tactical
 DSR-1
 SSG-82
 Erma SR-100
 GOL-Sniper
 Keppeler KS-V new
Great Britain
 Enfield L42A1 & Enforcer
 Parker-Hale M82
 AI Arctic Warfare / L96
 AI AE
 RPA Rangemaster
Israel
 Galil sniper
 TEI M86-SR
Italy
 Beretta sniper
Poland
 "Alex" / "Bor"
Turkey
 MKEK JNG-90 "Bora"
USA
 Armalite AR10(t)
 Barret 98B
 CheyTac Intervention
 DT SRS new
 FN FNAR
 FN SPR
 Kel-tec RFB
 M21
 M24
 M40
 Mk.11 mod.0, M110, SR-25
 RAI / RAP model 300
 Remington 700
 Remington MSR new
 Savage 10FP & 110FP
 VR1 PSR
USSR / Russia
 Dragunov SVD
 SVU and SVU-A
 VSS
 SV-98
 SV-99
 VSK-94
 SVDK
 MTs-116M
 Lobaev SVL new
 OTs-48K new
Switzerland
 SIG SG550 Sniper
 Sig-Sauer SSG 2000
 Sig-Sauer SSG 3000
 SIG STR/SHR 970
 B+T APR 308
 B+T APR 338
Yugoslavia
 Zastava M76

all texts and some pictures
copyright © 1999-2010
by Max R. Popenker
and can not be used without author permission

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RAP / RAI Model 300 (USA)

Caliber(s): 7.62mm NATO (.308Win) and 8.58x71mm (.338-.416)
Operation: bolt action, magazine fed
Barrel: 610 mm (24")
Weight: 5.7 kg w/o magazine and scope base
Length: ? mm
Feed Mechanism: 5 (7.62) or 4 (8.58) rounds detachable box magazine

The model 300 rifle was developed by team lead by J.Haskins in the 1981 and 1982 as a long-range sniper rifle for US military. It was probably one of the first of purposefully designed sniper weapons, not a rework from existing military, hunting or sporting rifle. Model 300 also served as a testbed for development of the new long-range sniping ammunition, initially known as .416-.338 (metric designation 8.58x71 mm), which latter was refined by Finnish company Lapua-Nammo Oy and one day became the now-famous .338 Lapua (8.6x70mm Lapua), a true long-range number. About 1983, US Military issued a contract for some 125 model 300 rifles (along with the same number of Model 500 .50 caliber rifles). Model 300 rifle did not appear in large numbers, but it must be noted as a forerunner of many modern designs of sniper weapons, an also as a "parent" rifle for a .338 Lapua Magnum cartridge.

The development team of the model 300 (and model 500) during the time worked under the many "labels" - they began the development as a RAP - Research Armament Prototypes company. Latter RAP became RAI - Research Armament Industries. Next it was purchased by the Daisy and became a Daisy Defence Systems, and finally it was bought by the Iver Johnson.

The model 300 rifle is a manually operated, bolt action, magazine fed precision rifle. It uses steel receiver with a rotating bolt. Bolt has three long lugs that locks into receiver walls. Model 300 rifle can use two different cartridges, .308 winchester and .416-.338. To do switch from one caliber to another one must replace the barrel and a bolt head. Heavy, precision barrel is externally fluted and free floated. The stock is fully ajustable and can be easily removed along with the pistol grip to made the rifle more compact for carry and storage. Trigger is also fully ajustable, and rifle required no disassembly to ajust it. Model 300 featured no open sights. Instead, a quick-detachable scope mount was developed, which required no re-zeroing after it was reinstalled. The scope base also featured a range-ajustable mechanism. Model 300 had no forearm and was intended to be used from folding bipod, which was attached to the forward receiver extension, which also contained a "tuning rod", which was used to ajust the point of impact.

Special thanks to Ed Dillon (USA) for information and images